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2 người cùng làm chung 1 công việc trong 20 ngày. người 1 làm trong 15 ngày thì làm việc khác, người 2 làm tiếp công việc đó 10 ngày thì xong. hỏi nếu mỗi người làm riêng một mình thì sẽ làm xong trong bao lâu ?
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A. MULTIPLE CHOICE 1. Jeans are very popular with young people all __________________ the world. A. over B. out C. from D.in 2. The restaurant has the __________________ for serving some of the famous local food in the regions. A. difference B. religion C. reputation D. culture 3. Nguyen Du, one of famous Vietnamese __________________ wrote Truyen Kieu. A. poets B. poems C. poet D. poetic 4. Ha Long Bay is famous __________________ one of the world wonders. A. for B. with C. as D. like 5. Are all the students used __________________ their summer vacation in the countryside? A. to spend C.spend C. to spending D. spending 6. Islam is Malaysia’s __________________ religion. A. compulsory B. optional C. official D. traditional 7. __________________ Christmas, we send cards to each other. A. At B.On C.In D.To 8. Why don’t we go to the zoo? - __________________ A. Do we? B.Yes, why not? C.Yes, thanks! D.It’s my pleasure! 9. The game shows on TV are highly __________________. Therefore they attract a lot of viewers. A.interactive B.interaction C.interactively D.interact 10. She is a Christian and she is very religious. She goes to __________________ every Sunday. A.church B.mosque C.pagoda D. temple 11. That young man has a good reputation __________________ courage. A. at B. to C. for D. in 12. Your dress is so beautiful! - __________________ . A. You’re welcome B. I’d love to C. Thanks D. My pleasure 13. It took us 2 hours __________________the village by coach. A. to come B. to reach C. to arrive D. to get 14. We wish you __________________ . A. were good luck B. had good luck C. good luck D. luckily good 15. Ho Chi Minh was named _________________ President Ho Chi Minh, _______________? A. after B. by C. at D. with 16. We’re always proud __________________ our parents. A. in B.of C.on D.about 17. We always take pride __________________ our parents. A. in B.of C.on D.about 18. I’ve never seen this word before. Use a dictionary to __________________. A.look it at B.look it after C.look it over D.look it up 19. The material of jeans is very strong and it does not wear __________________ easily. A.into B.of C.out D.from 20. During the years studying in the university, __________________ was my favorite accommodation because it was located on the campus, which was so convenient for my study. A.flat B.apartment C.hotel D.dormitory 21. Mary said she would come __________________. A. tomorrow B.the day before C.last day D.the following day 22. I got good grade for my Math last week . - __________________ A.Thanks! B.Cheers! C.Good job! D.You’re welcome! 23. We are all looking forward __________________ equally. A.to be treating B.to be treated C.to treating D.to being treated 24. Many Vietnamese women prefer to wear modern clothing__________________ work. A. for B.on C.in D.at 25. Hi, Tom. __________________ ? - Not bad. And you? A.What do you do? B.How do you do? C.What’s everything? D.What are you? (Spam = báo cáo) CẢM ƠN MNG TRƯỚC Ạ ^^^

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