Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1. They live happily in a small village (happy)
2. You should spen your money and energy as economical as possible (economy)
3. You can buy waste products made from this factory (produce)
4. This library is open to all readers.(read)
5. Air and water are necessary in our life (necessary)
6. My brother can repair electric appliances very well (apply)
7. These innovations will conserve the earth (innovate)
8. Since the world's energy resources are limited, we must conserve them (conservation)
9. We suggest replacing the light bulb. It is broken (replacement)
10. To keep th air unpolluted, people ought to use solar energy to create electricity (sun)
1. They live happily in a small village.
2. You should spend your money and energy as economically as possible.
3. You can buy waste products made from this factory.
4. This library is open to all readers.
5. Air and water are necessary in our life.
6. My brother can repair electric appliances very well.
7. These innovations will conserve the earth.
8. Since the world's energy resources are limited, we must conserve them.
9. We suggest replacing the light bulb. It is broken.
10. To keep the air unpolluted, people ought to use solar energy to create electricity.
Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence or substitutes for the underlined words or phrases.
1 My shoes are dirty. I'd better take them ...........before I come in. a. away b. up c. on d.off
2. I can't hear the radio. Could you turn it.............a little?
a. up b. down c. on d.off
3. Never put.............. till tomorrow what you can do today
c. back a. off b. over d. away
4. If you want to save money, you should...........the amount of water your family uses.
a. increase b. reduce c. adapt d. repair
5. In order to save electricity, an ordinary 100-watt light bulb can be replaced by.............
a. an energy-saving bulb c. a saving energy bulb b. an energy-save bulb d. a save-energy bulb
6. Who is going to look after your children when you're at work? a.soarch b.regard c.take care d. help
7. Mary's eyes are weak,............, she has to wear glasses a. but b.however c.and d.therefore
8. An enormous amount of money has been wašted on this project a .very important b.very large c. very small d. very limited
9. We'd better get..............to check the wiring before we start decorating.
a. a plumber b. a mechanic c an electrician d a consumer .
10. take the train instead of the bus? It's faster .a. Why not b. Why don't we. c. How about d .lets
17. Buy this kind of energy-saving (tiết kiệm năng lượng) bulb and you won't spend as much money on electricity.