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2 năm trước
cho phân số 17/42.Tìm một số sao cho tử số đã cho khi trừ đi số đó và giữ nguyên mẫu số thì phân số mới bằng 2/7
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Choose the best option that best completes each sentence: 1. We first ________ each other in Beijing in 2002. A. meet B. met C. have met D. had met 2. My brother ________ a lot of things for the past five years. A. does B. did C. is doing D. has done 3. Up to now, I _________ a lot of information about her. A. learned B. am learning C. will learn D. have learned 4. Mary ________ at the moment, so she can’t answer the telephone. A. works B. is working C. has worked D. was working 5. I don’t know why Mary is upset, but she _______ to us for ages. A. doesn’t speak B. didn’t speak C. hasn’t spoken D. wasn’t spoken 6. It has been ten years since ________. A. I last talked to Mary B. I have talked to Mary last C. the last time I was talking to Mary D. I had talked to last Mary 7. The number of one person households ________ recently. A. has grown B.grew C. have grown D. grow 8. In 1981, 34 percent of children aged 20-24 ________ with their parents. A. have lived B. lived C. are living D. has lived 9. I _______ learning Spanish a few months ago but I did not obtaina qualification in it yet. A. started B. have started C. is starting D. start 10. The moon ________ around the earth. A. has moved B. moves C. is moving D. will move 11. We __________ each other since we met at Lan’s birthday party. A. didn’t see B. haven’t seen C. don’t see D. hadn’t seen 12. Which books _________ to school yesterday? A. have you taken B. did you take C. do you take D. will take you 13. She _________ in this house for years. A. has lived B. have lived C. is living D. lives 14. He was late. When he ________ at the airport, the plane ________. A. has arrived / took off B. had arrived / took off C. arrived / had taken off D. had arrived / had taken off 15. We ________ my aunt on Friday next week. It will be her birthday. A. is visiting B. visited C. have visited D. will visit 16. He ________ to the movies once a week. A. went B. is going C. will go D. goes 17. His father ________ to the city two hours ago. A. drives B. will drive C. drove D. has driven 18. They ________.physics from 7 o’clock to 7.45 yesterday morning. A. have study B. are studying C. studied D. was studying 19. Water ________ at one hundred degrees Celsius and freezes at zero degrees Celsius A. cooks B. steams C. boils D. grills 20. They ________ two tons of rice to the victims of the flood yesterday. A. sent B. were sent C. was sent D. have sent Làm hộ mik . nêu cả thì ra nhá

26. You can find the audio of that marvellous classical music ________ on YouTube. A. clip B. work C. composer D. contest 27. He was an enthusiastic and most useful leader of the volunteer movement from its beginning, and a writer, composer and singer of humorous and ________ songs. A. boring B. talented C. patriotic D. exciting 28. In 2005, with the ________ of the album “Lost and Found”, Mudvayne dropped these performance tricks and started to perform naturally. A. achievement B. biography C. public D. release 29. She was ________ about her accomplishments even though she had a lot to be proud of after the music contest. A. modest B. exciting C. boring D. talented 30. She moved in ________ with the music, brushing the floor softly as she hummed along. A. recording B. contest C. performer D. rhythm 31. He is a ________ and plays multiple instruments and is a Grammy winner. A. nominee B. public C. composer D. audience II. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 32. But for your support, our band couldn‟t have won the Grand Music contest. A. show B. quiz C. competition D. tour 33. If you want to become a well-known singer, you need to have a unique selling point, a way to differentiate yourself from the crowd. A. genius B. infamous C. renowned D. new III. Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 34. She was given a prize for her achievement in classical and traditional music. A. success B. feat C. failure D. accomplishment 35. To have a chance to enter the final round, you have to eliminate lots of competitors. A. retain B. remove C. restrict D. reject

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