khi nào hai hàm số vuông góc với nhau một số cách cm tứ giác nội tiếp hai ý nha

61. Where you (be)............................? - I (be).................................... out in a yacht. ~ You (enjoy) ................. it? ~Yes, very much. We (take)...................... part in a race. ~ You (win)........................? ~No, we (come) ............................... in last. 62.- How long that horrible monument (be) ............................................there? -It (be)................... there six months. Lots of people (write) ...............................to the Town Council asking them to take it away but so far nothing (be) .........................................done. 63. Hannibal (bring) .......................................elephants across the Alps. ~Why he (do) .............that? ~He (want) ...................................to use them in battle. 64. Where you (be)........................? ~ I (be)........................................ to the dentist. ~ He (take)............... out your bad tooth? ~Yes, he . ...... . ~ It (hurt)..........?-Yes, horribly. 65. She (say)..................... that she'd phone me this morning, but it is now 12.30 and she (not phone) ............................................yet. 66. I just (receive)............................... a letter saying that we (not pay) ........................this quarter's electricity bill. I (not give) .................................you the money for that last week? ~Yes, you . .............. , but I'm afraid I (spend) .................................... it on something else. 67. How long you (be)....................... out of work? ~I'm not out of work now. I just (start) ....................................................a new job. ~How you (find)................. the job? ~I (answer)...................... an advertisement in the paper. 68. You (finish).............. checking the accounts? ~No, not quite. I (do)........... about half so far. 69.I (cut)............... my hand rather badly. Have you a bandage? ~I'll get you one. How it (happen)...................? ~I was chopping some wood and the axe (slip).......................... 70. How you (get)................. that scar? ~I (get).................... it in a car accident a year ago. 71. You (meet)................... my brother at the lecture yesterday? ~Yes, I .. .. We (have) ....................................coffee together afterwards. 72. He (lose).................. his job last month and since then he (be)............................ out of work. ~Why he(lose)................ his job? ~He (be)................................ very rude to Mr Pitt. 73. What are all those people looking at? ~ There (be)................................. an accident. ~You (see).......... what (happen)...................? ~Yes, a motor cycle(run) ..............into a lorry. 74. I(phone)............................. you twice yesterday and (get)............................ no answer. 75. Originally horses used in bull fights (not wear)............................. any protection, but for some time now they (wear)..................................... special padding, 76. That house (be) ........................... empty for a year. But they just (take).......................... down the 'For Sale' sign, so I suppose someone (buy)................................................. it. 77- Where is Tom? - I (not see) ....................him today

41. You (have)................. a good time? ~No, it never (stop) .......................... raining. 42. You (see) .....................Mary on Monday? ~Yes, I............. 43.I (buy) ........................this in Bond Street. ~How much you (pay)..................... for it? ~I (pay)................................. $100. 44. Where you (find)...................... this knife? ~I (find)............................. it in the garden. 45. I (lose) .......................my black gloves. You (see).......................... them anywhere? - No, I'm afraid. When you last (wear) ........................... them? - I (wear).............................. them at the theatre last night. - Perhaps you (leave) .................................. them at the theatre. 46. -Do you know that lady who just (leave) ..............................the shop? -Yes, that is Miss Thrift. Is she a customer of yours? -Not exactly. She (be)................. in here several times but she never (buy)................. anything. 47. He (leave)...................... the house at 8.00. -Where he (go)......................? - I (not see) ................................ where he (go)..................................... 48. -He (serve)........................ in the First World War. –When war (begin)........................? - It (begin) ............................ in 1914 and (last) ..................................for four years. 49. –Who you (vote).................. for at the last election? - I (vote)...................... for Mr Pitt. - He (not be) ................. elected, (be) ..................he? ~No, he (lose)...................... his deposit. 50. - You (like) .............your last job? ~I (like)........... it at first but then I (quarrel)............. with my employer and he (dismiss)............................. me. - How long you (be)...................... there? ~I (be).......................... there for two weeks. 51. I (not know) ................. that you (know)................... Mrs Pitt. How long you (know)................... her? ~ I (know)................................................ her for ten years. 52. That is Mr Minus, who teaches me mathematics, but he (not have).............................. time to teach me much. I only (be)...................................... in his class for a week. 53. You (hear) .......................his speech on the radio last night? ~ Yes, I ........ . . 54.- I (not know)...................... that you (be)................ here. You (be).............. here long? -Yes, I (be)............... here two months. -You (be)................... to the Cathedral? ~Yes, I (go) ........................... there last Sunday. 55 You ever (try) ........................ to give up smoking? ~ Yes, I (try) ............... last year, but then I (find)................ that I was getting fat so I (start)............................ again. 56. You (see) .............. today's paper? ~ No, anything interesting (happen) ..................? Yes, two convicted murderers (escape)............................ from the prison down the road. 57. Mary(feed).................... the cat? ~ Yes, she(feed)...................... him before lunch. ~ What she (give).............. him? ~ She (give).......................... him some fish. 58. -How long you (know).................. your new assistant? ~ I (know)............ him for two years. ~What he (do)......... before he(come)........... here? ~I think he (be)............. in prison. 59. I (not see)............................ your aunt recently. ~No. She (not be)...................... out of her house since she (buy) .................her colour TV. 60. The plumber(be) ................here yet? ~Yes, but he only (stay)............. for an hour.

1. I (see)............................................... her before. 2. I (read) ...........................the novel written by Jack London several times before. 3. What you (do)...................... yesterday? 4. You (watch).......................... TV last night? 5. She (be)...................... born in 1980. 6. He (write)...................... a book since last year. 7 Mr Green.(teach)................... English in this school since he (graduate) .....................from the university in 1986. 8. How long you (learn)........................ English? 9.-This is my house. -How long you (live) ................................. here? -I (live) ........................................ here since 1970. 10. He (live) ........................ in London for two years and then (go)................... to Edinburgh. 11.- You (wear) .................................your hair long when you were at school? -Yes, my mother (insist) .......................on it. 12. But when I (leave).................. school I (cut)................. my hair and (wear) ................... it short ever since. 13. My brother (write)................ several plays. He just (finish).................... his second tragedy. 14. I (not see).......................................... him for three years. I wonder where he is. 15. He (not smoke)...................................... for two weeks. He is trying to give it up. 16. Chopin (compose)........................................... some of his music in Majorca. 17. -When he (arrive).............................................? - He (arrive) .................................... at 2.00. 18. You (lock) ........................ the door before you left the house? 19. I (read)....................his books when I was at school. I (enjoy) ...................them very much. 20. I can't go out because I (not finish)....................................... my work. 21. -I never (drink)...................................................... whisky. -Well, have some now. 22. I (write)....................................... the letter but I can't find a stamp. 23. - The clock is slow. - It isn't slow, it (stop) ............................................ 24. Here are your shoes; I just (clean) .............................................them. 25. I (leave).............................. home at 8.00 and (get)................................. here at twelve. 26. I (do).......................... this sort of work when I (be).................................. an apprentice. 27. He just (go)............................................. out. 28. He (go).................................... out ten minutes ago. 29. You (have)............................... breakfast yet? ~ Yes, I (have)...................... it at 8.00. 30. I (meet) ................................him last June. 31. You (see) .................................the moon last night? 32. The concert (begin).................... at 2.30 and (last)............................. for two hours. Everyone (enjoy) ................................it very much. 33. The play just (begin)................................... You are a little late. 34. The actors (arrive)................ yesterday and (start) ...................rehearsals early this morning. 35. It (be)........................ very cold this year. I wonder when it is going to get warmer. 36. Cervantes (write) ...................................... Don Quixote. 37. We (miss).................................. the bus. Now we'll have to walk. 38. He (break).......................................... his leg in a skiing accident last year. 39. Mr Pound is the bank manager. He (be) ................................here for five years. 40. Mr Count (work).................................... as a cashier for twenty-five years. Then he (retire)............................. and (go) ................................to live in the country.

Căn(x-1) + căn(3-x) = x^2 - 4x + 6

lm giúp mik tlv bài : Em hãy tả cảnh 1 buổi nào đó trong khu vườn nhà em

Làm nhanh giúp mk nha! Mk cần gấp...Cảm ơn ạ!

Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions. Question 9. A. entertained B. destroyed C. decorated D. appeared Question 10. A. honey B. almost C. cold D. gold Mark the letter A, B, C or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions. Question 11. I am very much interested in learning more about ecotourism and its benefits. A. advantages B. problems C. disadvantages D. dangers Question 12. I love going to this place as it has the most beautiful scenery in the city. A. so B. so that C.when D . because Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of stress in each of the following questions. Question 13. A. urban B. package C. advise D. fashion Question 14. A. agree B. open C. reduce D. return Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 15. - Thanh: "Would you like to have some more ice cream, Binh?" - Binh: "_________________” A. Thanks. I'd love to. B. I do, too. C. I'm looking forward. D. Here you are. Question 16. - David: “Thank you for spending time showing me around.” - Jones: “_________________” A. It's my pleasure. B. I don't know what time that person comes. C. Never remind me. D. I don't want to spend it.

In about 60-80 words, write a paragraph about how to protect yourself from covid-19 pandemic. Giúp với đang cần gấp hứa đánh giá 5 sao.

viết đoạn văn 200 chữ bàn về ấy nghĩa của việc hiểu mình và hiểu người Mn giúp ạ cần gấp đáng giá 5*+hay nhất