Cho tập hợp phần tử sau M=( 1975, 1977,1979......2011) A. Tập hợp trên có mấy phần tử ? B. Tập hợp H = ( 1975,1976) có phải là tập hợp con của tập hợp M không ? Vì sao?

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Write the letter A, B, c or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. 1. His doctor advised him to stop to smoke A. His B. advised C. to stop D. to smoke 2. At first life was difficult for me because of I didn’t understand English. A. At first B. difficult C. because of D. understand 3. Silicon chips contain thousands of circuits in an area as smaller than a fingernail. A. thousands B. circuits C. as smaller D. a fingernail Choose the best answer, using conditional sentences. 4. I’ll be in trouble if I _________my passport. A. lost B. will lose C. lose D. would lose 5. If it is raining this evening, I___________. A. will go out B. don’t go out C. go out D. won’t go out 6. If he ___________ hard today, can he have a holiday tomorrow? A. works B. will work C. worked D. would work 7. If you are busy, we ___________ this by ourselves. A. will do B. did C. would do D. doing 8. If it ___________ tomorrow, we may postpone going. A. rains B. will rain C. shall rain D. raining 9. Unless you _________ all of my questions, I can’t do anything to help you. A. answered B. answer C. would answer D. are answering 10. I’ll give you a call if I ___________ some help tomorrow.” A. will need B. need C. would need D. needed 11.Will you be angry if I ___________ your pocket dictionary? A. stole B. have stolen C. were to steal D. steal 12. If you press that button what ___________? A. happen B. happened C. will happen D. would happen 13. If he ________ her, she could have an accident. A. didn’t warn B. warned C. warns D. doesn’t warn 14. If I were the Minister of Education, I ________more money on teachers. A. spent B. would spend C. will spend D. have spent 15. If I were you, I _____ a new car. A. buy B. will buy C. would buy D. bought 16. If I _____ a bird, I would be a dove. A. are B. were C. am D. is 17. If he ________French, he could visit France. A. know B. knows C. has known D. knew 18. If you had told me earlier, I _____________ it to you. A. would give B. will give C. would have given D. gave CÁC BẠN LÀM VÀ GIẢI CHO TIẾT GIÚP MÌNH VS Ạ