giúp mình với Mình sẽ cho 5* và ctlhn

CM: tổng các góc của một tứ giác =360độ

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1. I don’t understand this sentence. What ............................? a. does mean this word b. have this word mean c. means this word d. does this word mean 2. Jonh ....................tennis once or twice a week. a. usually play b. is usually playing c. usually plays d. have usually played. 3. Nurses .................... after patients in hospitals. a. are looking b. look c. looks d. is looking 4. I usually .................. away at weekends. a. have gone b. goes c.am going d. go 5. The earth ..................round the sun. a. go b. has gone c. went d. goes 6. I come from Canada. Where .................you..................from? a. do.............come b. did ...... come c. are ..........coming d, have .....come 7. I ................ at 8 o’clock every morning. a. was getting up b. got up c. is getting up d. get up 8. .................... you go to dentist ? a. How often are b. How often do c. How often does d. How are 9. The sun ............... in the East. a. is rising b. rose c. has risen d. rises 10. It ‘s a nice day. I ............. we go out for a walk. a. suggested b. suggest c. is suggesting d. are suggesting 11. The swimming pool .............. at 9 o’clock and ............ at 18.30 everyday. a. opens............. closes b. opens ...... closed c. opened...... closed d. opened......... closes 12. Bad driving often ............... many accidents. a. caused b. caused c. causes d. has caused 13. The Olympic Games ............... every four years. a. take place b. takes place c. took place d. is taking place 14. What time ................ the banks close in Britain ? a. do b. did c. does d. can 15. Both viruses and genes ................ made from nucleoproteins. a. are b. is c. were d. has been 16. His knowledge of languages and international relations ................ him in his present work. a. aids b. aid c. have aided d. had aided 17. The books, an English dictionary and a chemistry text, .............. on the shelf yesterday. a. was b. were c. is d. are 18. Three swimmers, Paul, Ed, and Jim, ................ now in competition for medals. a. is b. has been c. had been d. are 19. Listen ! I .............. somebody knocking at the front door. a. am hearing b. heard c. have heard d. hear 20. She sometimes ...............vegetables at this market. a. is buying b. has bought c. buys d. will buy 21. That brown suitcase ................ to Dr. Smith . a. belongs b. has belonged c, is belonging d. belonged 22. We’ll go out when the rain ......................... a. stopped b. will stop c. stops d, had stopped 23. I …………for Christine. Do you know where she is? a. look b. looked c. am looking d. looks. 24. At 5 o’clock yesterday evening, I ……………my clothes. a. am ironing b. have ironed c. ironed d. was ironing. 25. Are you ready, Ann? Yes, I……………….. a. am coming b. come c. came d. have came. 26. I ………………..along the street when I suddenly heard footsteps behind me. a. was walking b. am walking c. walk d. walked. 27. She ………….German for two years. a. has learnt b. is learning c. learn d. learns. 28. When I last………..Jane, she ………..to find a job. a. see/was trying b. saw/was trying c. have seen/tried d. saw/tried. 29. Ann …………..tea very often. a. doesn’t drink b. don’t drink c. didn’t drink d. hasn’t drunken. 30. Look! That man………….to open the door of the car. a. try b. tried c. is trying d. has tried. 31. When I was young, I ………………to be a singer. a. have learnt b. am learning c. had learnt d. learnt. 32. I …………….lots about the job so far. a. have learnt b. am learning c. had learnt d. learnt. 33. They…………me about it last week. a. was telling b. told c. had told d. would tell 34. I hope everything…………..fine. a. is b. was c. would be d. will be 35. My grandfather………….many tears ago. a. had died b. has died c. died d. was dying 36. I………………my son the money for that last week. a. gave b. given c. have given d. was given 37. Where …………..you at 9:00 last night, Mr. Green? a. have been b. were c. will be d. are 38. Last year they ………….22 million TV sets. a. were selling b. had sold c. has sold d. sold 39. I think you…………….pay to park here. I ‘ll just go and read that notice. a. will b. would c. must d. better 40. Ted and Marry………………….for 24 years. a. have been married b. married c. were married d. has been married. 41. I think the weather…………………nice later. a. will be b. be c. is d. has been 42. We ………….a party last Sunday. It was great we invited lots of people. a. have b. have c. had. d. had had 43. I ……………..Peter yet. a. not have seen b. do not see c. have not seen d. was not seeing 44. My brother …………………me for weeks . a. hasn’t phoned b. didn’t phoned c. isn’t phoning d. not phoned 45. How…………..have you known each other? a. already b. for c, long d. since

Xét tính chẵn lẻ của hàm số sau: a) $y=x^2sin\left(x+3\right)$ b) $\sqrt{2-sin^23x}$

mn giup e voi a cam on nhiu thank

Bạn Bình viêt các số lẻ liên tiên tiếp từ 1 đến 423 để được số tự nhiên A. Hỏi : a) A có bao nhiêu chữ số ? b) Chữ số thứ 200 mà Bình viết là chữa số mấy ?

Đây là cả 1đề văn giải giúp mk vs!

Làm 1 bài thơ khoảng 1 trang về chủ đề phá cỗ trung thu

tìm hai số nguyên biết tỉ số của chúng bằng 2/3 và hiệu của chúng bằng 12