cho hình vuông ABCD cạnh a tâm O . Tính độ dài vecto AC va BO

Các câu hỏi liên quan

23. I don’t fancy ..........( be) responsible for a party of school children for a week 24.I’d really recommend you …………the new film as it is amusing. I couldn’t stop……………. all the way through ( see / laugh) 25. I heard the door……………. (open) and saw a shadow……………. ( move) across) the room 26. I felt the house ………………( shake) with an explosion 27. Did the doctor mention.................any foods in particular(avoid) 28.I appreciate your………….....for my dinner. I’ll buy next time(pay) 29.It’s impossible....... .… ...... ( resist, accept) such an attractive offer 30. He annoyed me very much by..................the piece of cake that I was keeping ..................(keep/eat) after dinner 31. They are addicted to………………..(drink) Coke. 32.You anticipated………………… (sell) that house. 33. We are dedicated to……………….. (change) how things work. 34. Ashley recollected………………….. (not lock) the door. 35. Their goal…………….. (bring) peace gave hope to everyone. 36. He lay in bed………………….. (plan) the days to come. 37. Her fear of spiders made……………….(travel) difficult. 38. Your advice………………………(plan) ahead was excellent. 39. ………….nearly all the money, we couldn’t afford to stay in hotel ( spend) 40. When Alan was questioned by the police, he admitted knowing about the embezzlement of funds from his company, but denied………………in any way. (involve) 41.We were shocked to hear the news of your ……………. (fire). 42. They were fortunate……………..from the fire before the building collapsed (rescue ) 43. We’d like …………….to the president’s reception, but we weren’t ( invite) 44. He became an MP in 1983 and went on ………( become ) Prime Minister. 45. He went on…………..(to talk) about himself for hours and hours 46. Your business is a complete disorder. The whole thing needs ……………….(recognize ) 47. The house is badly damaged .If you buy it, it’ll mean ……………… in chaos ( live) 48. Everyone helped ……………… the village …………..its best for the Prime Minister’s visit ( make , look) 49. She is so impatient . She can’t stand...................( to wait ) in line for anything 50. Tim prefers........ ( to walk) rather than ( to jog ) for exercise 51. She got annoyed because her husband stopped……………………..(look) in every shop window. 52. My mother wants me ..............( cut) the lawn . I know It wants...... … ( cut) , but I really haven’t time , this weekend 53. You say you’ve tried ....... ( stop) ( snore) but have failed . Have you tried .........( sleep) on your stomach ? 54. He recommends me …........this medicine or he recommends........this before bed time( to take, have )

Câu II : Chon từ hoặc cụm từ thích hợp để hoàn thành các câu sau đây. 5. I missed the cartoon on TV last night. I wish I.................................it. A. didn’t miss B. wouldn’t miss C. hadn’t missed D. had missed 6. She hasn’t come yet. If she................................ I will let you know A. came B. comes C. has come D. come 7. I am sorry that I can’t join you. I know we.....................a good time if I could A. will be B. will have C. would be D.would have 8. The students stopped........................when the teacher entered the classroom. A. talk B. talking C. to talk D. talked 9. This knife is used.................................food like cheese or butter. A. to cut B. cutting C. to cutting D. for cut 10. He is still doing his test. I will wait here until he..........................it A. finish B. finishes C. will finish D. finished 11. It was.............................interesting film that we watched it till the end. A. such B. so an C. so D. such an 12. The water was..........................the children to swim in. A. too cold for B. so cold for C. so cold that D. such cold that 13. Lan and Maryam.................................pen pals for over two years. A. have had B. has had C. have been D. has been 14. At the moment I.......................hard for the coming examination. A. am working B. was working C. working D. work 15. The ship Titanic was named.........................Titans – the giants in Greek myth. A. by B. after C. from D. with 16. We often help our uncle on his farm.......................weekends. A. on B. in C. during D. by 17. This examination will take place on june 28th,..........................? A. will this B. won’t this C. will it D. won’t it 18. Lan has been here for a long time,..................? A. hasn’t she B. has she C. hasn’t Lan D. has Lan 19. We are with the Parkers at the moment. We like their................very much A. friendly B. friendship C. friendliness D. friends 20. Ao Dai is the.........................dress of Vietnamese women. A. traditional B. traditionally C. tradition D. traditionality 21. Physics..........................one of the subjects I like most. A. is B. are C. was D.were 22. Neither Lan’s friends nor she.......................about the date of the examination. A. knows B. know C. doesn’t know D. don’t know 23. Tom:............................can you get there?- Peter: By bus. A. When B. How C. What D. Why 24. Mai: What do you think about learning English in this centre? Nam:....................... A. Yes, let’s B. It’s a good idea C. I agree D. I don’t agree