1. Lan’ll have a party …………………. Friday evening. 2. Would you like to come ………. my house …………lunch? 3. She takes care …………. her family. 4. She works ………a local supermarket. 5. My mother works……………the field…………. my father. 6. Does your father work …………. . Hanoi? 7. David is good ………………. . Math. 8. What do you do …………. your free time? 9. Are you interested …………. . sports?. 10. There’s a good film …………. . ……… the moment. 11. Thanks ………. . your letter. 12. I’ll see my mom and dad ……………. . their farm. 13. We have to work hard ………. home and……………. school 14. We’ll visit her ………. Christmas. 15. Are you tired …………. . watching TV? 16. She often brings them …………… school. 17. He works ………. a factory. 18. We always go to Ha Long Bay ………. vacation. 19. Tell me more ………. . your family. 20. Can you send me a photo ………. . your family?

tìm GTNN GTLN a)MinA=(x+3y-5)^2 b)MaxB=(x+1)(2-x)(x-3)(x-6)

Giúp tui với mai nộp rồi 😫 Ai làm xong đầu tiên sẽ đc vote5sao+ cảm ơn nha ^^

Exercise 3. Complete the second sentence in each pair so that it has similar meaning to the first sentence. 1. People invented the wheel thousands of years ago. → The wheel .................................................................................................................... 2. My father waters these flower every morning. → These flowers .............................................................................................................. 3. People use computers all over the world. → Computers ................................................................................................................... 4. Are they building a statue of Chu Van An? → Is................................................................................................................................ ? 5. John invited Fiona to his birthday party last night. → Fiona............................................................................................................................ 6. They keep many ancient things in museums. → Many ancient things .................................................................................................... 7. Do four busy streets surround the Temple of Literature? → Is................................................................................................................................ ? 8. People make many famous films in Hollywood. → Many famous films...................................................................................................... 9. Her mother is preparing the dinner in the kitchen. → The dinner ................................................................................................................... 10. I do all my homework on my computer. → All my homework .......................................................................................................

Cố lên và viết hộ mình đi các bạn ơi! Chỉ có 150 từ thôi, không nhiều đâu Write a paragraph of 150 words starting with the following sentence: “In my opinion, smoking should be banned in public places."

@Chia động từ 1. In all the world, there (be) …………….. only 14 mountains that (reach) …………….. above 8,000 meters. 2. He sometimes (come) …………….. to see his parents. 3. When I (come) …………….., she (leave) …………….. for Dalat ten minutes ago. 4. My grandfather never (fly) …………….. in an airplane, and he has no intention of ever doing so. 5. We just (decide) …………….. that we (undertake) …………….. the job. 6. He told me that he (take) …………….. a trip to California the following week. 7. I knew that this road (be) …………….. too narrow. 8. Right now I (attend) …………….. class. Yesterday at this time I (attend) …………….. class. 9. Tomorrow I’m going to leave for home. When I (arrive) …………….. at the airport, Mary (wait) …………….. for me. 10. Margaret was born in 1950. By last year, she (live) …………….. on this earth for 55 years. 11. The traffic was very heavy. By the time I (get) …………….. to Mary’s party, everyone already (arrive) …………….. 12. I will graduate in June. I (see) …………….. you in July. By the time I (see) …………….. you, I (graduate) ……………… 13. I (visit) …………….. my uncle’s home regularly when I (be) …………….. a child. 14. That book (be) …………….. on the table for weeks. You (not read) …………….. it yet? 15. David (wash) …………….. his hands. He just (repair) …………….. the TV set.

. When I last saw him, he ………… in London. A. has lived B. is living C. was living D. has been living 2. We ………… Dorothy since last Saturday. B. don’t see B. haven’t seen C. didn’t see D. hadn’t seen 3. The train ………… half an hour ago. A. has been leaving B. left C. has left D. had left 4. Jack ………… the door. A. has just painted B. paint C. will have painted D. painting 5. My sister ………… for you since yesterday. A. is looking B. was looking C. has been looking D. looked 6. I ………… Texas State University now. A.am attending B. attend C.was attending D. attended 7.He has been selling motorbikes …………. Aten years ago B. since ten years C. for ten years ago D. for ten years 8. Christopher Columbus ………… American more than 500 years ago. A. discovered B. has discovered C. had discovered D. had been discovering 9. He fell down when he ………… towards the church. A. run B. runs C. was running D. had run 10. We ………… there when our father died. A. still lived B. lived still C. was still lived D. was still living 11. They ………… table tennis when their father comes back home. A. will play B. will be playing C. play D. would play 12. By Christmas, I ………… for Mr. Smith for six years. A. will have been working B. will work C. have been working D. will be working 13. I ………… in the room right now. A. am being B. was being B. have been being D. am 14. I ………… to New York three times this year. A. have been B. was C. were D. had been 15. I’ll come and see you before I ………… for the States. A. leave B. will leave C. have left D. shall leave 16. The little girl asked what ………… to her friend. A.has happened B. happened C. had happened D. would have been happened 17. John ………… a book when I saw him. A. is reading B. read C. was reading D. reading 18. He said he ………… return later. A. will B. would C. can D. would be 19.Jack ………… the door. A. has just opened B. open C. have opened D. opening 20. I have been waiting for you …………. A. since early morning B. since 9 a. m B. for two hours D. All are correct 21. Almost everyone ………… for home by the time we arrived. A.leave B. left C. leaves D. had left 22. By the age of 25, he ………… two famous novels. A. wrote B. writes C. has written D. had written 23. When her husband was in the army, Mary ………… to him twice a week. A. was reading B. wrote C. was written D. had written 24. I couldn’t cut the grass because the lawn mower ………… a few days previously. A. broke down B. has been broken C. had broken down D. breaks down 25. I have never played badminton before. This is the first time I ………… to play. A. try B. tried C. have tried D. am trying 26. Since …………, I have heard nothing from him. A. he had left B. he left C. he has left D. he was left 27. After I ………… lunch, I looked for my bag. A. had B. had had C. have has D. have had 28. By the end of next year, George ………… English for two years. A. will have learned B. will learn B. has learned D. would learn 29. The man got out of the car, ………… round to the back and opened the book. A. walking B. walked C. walks D. walk 30.Henry ………… into the restaurant when the writer was having dinner. A. was going B. went C. has gone D. did go

vẽ oc của bợn buồn khóc thút thít có tô màu p/s:buồn quớ người thân tui nhiễm covid rồi ổng chưa chắc qua khỏi đc giò chắc chỉ hi vọng phép màu thôi...

Yêu cầu giải thích các bước giải.

Làm và giải thích ạ21) I think I was …………. sacked and have decided to bring the company to court. (fair) 22) Have you seen my handbag John? It seems to have totally ………… ! (appear) 23) You know your father is the most ……….. person in the world. He is sure to be wearing one of his old sweaters to the party. (fashion) 24) People will need to see …………. provable information before they can believe in something like life on other planets. (science) 25) It isn't very ………..that Paula is at home, is it? She usually works at this time. (like) 26) Megan was told by her dietician that she was becoming …………thin and should eat more. (danger) 27) ……….is the spice of life, says the proverb and everyone should try and do new things and meet new people to avoid becoming bored. (vary) 28) Harry had a difficult …………. and was brought up by an aunt and uncle living in the country. (child) 29) The whole dispute began after a small …………. over the money needed to finance the new company. (agree) 30) The introduction of insecticides in the 20th Century ………agriculture across the world. (revolution) 31) All the coastal towns in this area are …….. by strong tradition of dance and there is a festival of dance that takes place every August. (character) 32) My company has spent a lot of money building a new, ………factory which will nearly double production. (computer) 33) I was just trying to be …….. towards him and he accused me of wanting his money! (friend) 34) The south-west of England, for example Devon and Cornwall, is known as the …….part of the United Kingdom. (sun) 35) What you may think is ……….is really just over-enthusiasm. He would never harm anyone. (hostile) 36) Anyone being rude and ……… to our staff will be asked to leave the premises immediately. (abuse) 37) Men have more of a ……. to put weight on around the waist and stomach areas and this is something they should be aware of. (tend) 38) Three weeks after winning the lottery, Daniel Perkins had the ……. to lose a court case in which he was being sued for nearly $2million. (fortune) 39) The pharmaceutical company's …….. have discovered a better way of combining medicines to create a flu remedy. (search) 40) The babies were put up for ………..when their mother was jailed for her part in the murder. (adopt) 41) Herbert has been a(n) ……..member of this company's staff. I don't know what I would do without him! (dispense) 42) The food at the restaurant was simply delicious. I just didn't think there was enough ……. (vary) 43) Even though the actors did quite a poor job of bringing the book to the stage, the ……was of the highest quality. (produce) 44) Even though he is only 17, he is a very ………. tennis player who could have a big future in the game. (promise) 45) The stock market has risen ……….in the last six months and now is a good time to invest. (consider)