Hai người định làm một công việc trong 12 giờ thì xong họ làm với nhau được 8 giờ thì người thứ nhất nghỉ còn người thứ hai vẫn tiếp tục làm cho Cố gắng tăng năng suất gấp đôi nên người thứ hai đã làm xong công việc còn lại trong 3 giờ 20 phút Hỏi nếu mỗi người thợ là một mình với năng suất dự định ban đầu thì mất bao lâu mới xong công việc nói trên

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I. Choose the best answer( A, B, C or D ) to complete these sentences (Chọn A, B, C hay D). (5pts) 1. Most teenagers are ..................... detective stories. A. interested about B. fond of C. excited on D. go on 2. Tan: It’s hot in here. - Lan: Ok. I .....................on the air conditioner. A. turned B. to turn C. turning D. will turn 3. His mother won’t be at home tomorrow. ..................... . A. Neither won’t he. B. Either will he. C. He won’t either. D. He won’t. 4. Peter: How.....................is your daughter? → Sue: Only 50 kilos. She’s a bit underweight. A. pounds B. heavy C. weight D. tall 5. Excuse me! Is there a bus stop .....................here? A. at B. near C. from D. with 6. The doctor examined him and .....................his temperature. A. took B. made C. did D. take 7. Her mother works.....................hours than her father does. A. a few B. less C. much D. more 8. .....................cards is one of Barry’s hobbies. A. Collects B. Collected C. Collecting D. Collector 9. My grandfather doesn’t like living in the city. The noise ...................him awake at night. A. takes B. keeps C. gives D. does 10. Can you teach me ..................... “ thank you ” in Chinese? A. how to say B. how say C. saying D. to say 11. Liz: .....................should I go to the dentist? → Daisy: Twice a year. A. How long B. When C. How often D. How far 12. Mary: .....................going swimming? → Clark: That would be great. A. Shall we B. How about C. Let’s D. Shall you 13. I prefer swimming in the sea ..................... the pool. A. at B. on C. in D. to 14. Mark: When did he move here? → Twin: He.....................in 2004. A. moving B. moved C. to move D. moves ** Phát hiện chổ sai trong câu sau: 15. Nobody like him because he always looks untidied. A B C D 16. In the afternoon, the chickens produce less eggs than in the morning. A B C D 17. Lan: ................does Nga always get good marks? → Hoa: Because she studies hard. A. What B. When C. How D. Why 18. Jacques Cousteau is the.....................of the deep – sea diving vessel. A. invent B. inventor C. invention D. invents 19. We ought.....................carefully. A. to drive B. drive C. driving D. drives 20. He plays soccer very..................... . A. good B. skillful C. well D. skill Xin CTLHN