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thanhthuynguyenthi12345
2 năm trước
hai tổ công nhân cùng làm chung một việc thì sau 4 ngày xong. Nếu hai tổ làm chung trong 2 ngày rồi tổ 1 chuyển đi làm việc khác và tổ 2 làm thêm 2 ngày nữa thì thì được 2/3 công việc. Hỏi tổ 1 làm riêng thì bao lâu xong việc
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I. Change these sentences into passive voice: 1. People use milk for making butter and cheese. 2. The milkman brings bottles of milk to houses 3. Careless driver causes many accidents. 4. People speak English all over the world. 5. They don’t use this house very often. 6. Do they teach French in this school? 7. Somebody will clean the floor tonight. 8. You mustn’t open this parcel until Christmas Day. 9. We can use the garbage to make fertilizer. 10. Alexander Graham Bell invented the telephone. II. Give the correct form of the words in the brackets: 1. Reduce means not buying products which are ________________. (overpackage) 2. Linda is one of the ________________ from Friends of the Earth. (represent) 3. The country’s ________________ resources include forests, coal and oil. (nature) 4. It’s ________________ to across the avenue. (danger) 5. They are taking part in the ________________ program of the school. (recycle) 6. Compost is a wonderful ________________. It helps plants grow. (fertilize) 7. Share your _______________ (recycle) story with our _______________ (read) 8. Air is a ________________ of gases. (mix) 9. Companies are encouraging people to buy more by ______________the prices of their product. 10. The money should be more ______________spent on the recycling plan. (use)

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