CMR: sinA = 2sin$\frac{A}{2}$cos$frac{A}{2}$. Tks ạ.

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Ex3. Choose the best answer to complete the following passage Annette is very good at playing tennis. She often dreams of becoming a professional tennis (11) ______ one day, but she knows that the chance of making a living as a professional player (12) _______ very small, indeed. Even though Annette is only interested in playing tennis all day long, she knows that it is not a pleasant way (13) ______ living if you have to spend all your time practising. Modern methods of training are so hard, and take up so (14)______ time that you may miss a lot of time at (15) ______ and for Annette, tennis is not a reason for leaving school before she takes her exams. 11. A. player B. play C. playing 12. A. are B. is C. be 13. A. in B. on C. of 14. A. much B. many C. few 15. A. school B. home C. schoolyard Ex4. Choose the best answer A, B or C 16. Our / last / team / played / Saturday / 6E team / with. A. Our team played with 6E team last Saturday. B. Our team play with 6E team last Saturday. C. Our team played with 6E team Saturday last. 17. Don't / food and drink / into / bring / please /, /the gym. A. Don't brings food and drink into the gym, please. B. Don't bring food and drink into the gym, please. C. Doesn't bring food and drink into the gym, please. 18.. every / The Olympic Games / four years / take place. A. The Olympic Games takes place every four years. B. The Olympic Games taked place every four years. C. The Olympic Games take place every four years. 19. see / you / Did / Phong / yesterday / the stadium / at? A. Did you see Phong at the stadium yesterday? B. Did you saw Phong at the stadium yesterday? C. You did see Phong at the stadium yesterday? 20. a week / three times / my / sister / aerobics / does / keep fit / to. A. My sister does aerobics three times a week to keep fit. B. My sister do aerobics three times a week to keep fit. C. My sister does aerobics three times a week keep fit.

Question 1. A. takes B. rains C. halves D. chairs Question 2. A. sugar B. suggestion C. unsure D. action Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions. Question 3. A. certificate B. happily C. economy D. geography Question 4. A. honest B. system C. subject D. polite Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. Question 5. They did not meet each other since they left school more than five years ago. A B C D Question 6. The doctor advises me staying in bed, but it’s just so boring. A B C D Question 7. My mother is ill so I’d like to have a day off to take care for her. Question 33. This is one of the most thrilling detective stories _____________________ A. I read so far B. I have ever read C. never have I read D. I have already read Question 34. Although it was raining heavily, ___________________________ A. he went out without a raincoat. B. but he went out without a raincoat. C. so he went out without a raincoat. D. however he went out without a raincoat. Question 35. I have never read _________________before. A. such good novel B. so good novel C. so good a novel D. such good a novel Question 36._________________ for bamboo seeds to grow into plans that can be used for commercial purpose. A. Several years to be taken B. By taking several years C. It takes several years D. Although taking several years. Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions Question 37. "No one in our club can speak English as fluently as Mai. A. Mai speaks English more fluently than no one in our club. B. Mai is the worst English speaker in our club. C. Mai speaks English as fluently as other people in our club. D. Mai speaks English the most fluently in our club. Question 38. An old woman saw him break into the building. A. He was seen to break into the building by an old woman. B. He was seen break into the building by an old woman. C. He was seen to have broken into the building by an old woman. D. He was seen to be broken into the building by an old woman. Question 39. My father said I could use his computer. A. My father allowed to use his computer. B. My father allowed me use his computer. C. My father allowed me to use his computer. D. My father allowed me using his computer. Question 40. I haven’t written to him since 2016. A. The last time I wrote to him in 2016. B. I haven’t written to him was in 2016. C. The last time I wrote to him was in 2016. D. I haven’t written to him was since 2016. P/S: CÁC BẠN LÀM GIÚP MK VS. THANKS RẤT NHIỀU