1. We decided not to go out for meal _________ we were too tired
2. My shoes are dirty. I'd better take them ________before I come in.
3. Who is going to __________ your children when you're at work?
4. Mary's eyes are weak, __________, she has to wear glasses.
5. Our energy will soon come to an end if we don't__________ it.
6. I like bananas, __________my brother doesn't.
7. Can you turn................ the light? It's too dark.
8. There are............ saving methods and inventions to use solar energy.
9. A new air-conditioner will be................... this morning.
10. Scientists are looking for an..................... way to reduce energy consumption.
11. She won't take all these suitcases______ she likes to travel light.
12. She is very tired. ______, she has to finish her homework.
13. Is he an actor ______ singer?
14. She forgot ______ off the gas before going out.
15. I suggest ______ money for the poor people in our neighborhood.
16. We decided not to go out for meal ______ we were too tired.
17. My shoes are dirty. I'd better take them ______ I come in.
18. Lan dropped his watch when he was............... the bus.
19. I think we should ________ up our neighborhood.
20. Our teacher suggests ________a meeting to discuss about the solution to keep
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Sinh Học lớp 12
