* Choose the best answer to complete these following sentences : 1. We decided not to go out for meal .......... we were too tired. A. but B. because C. so D. and 2. My shoes are dirty. I'd better tapke thern ............. before I come in. A. always B. up C. on D. off 3. If you want to save money, you should ........... he amount of water your family uses. A. increase B. reduce C. adapt D. repair 4. Who is going to ............ your children when you're at work. A. look for B. look up C. look after D. look out 5. Mary's eyes are weak, ............., she has to wear glasses. A. but B. however C. and D. therefore 6. If there is a machanical problem, we suggest ............ the manufactuner directly. A. contact B. contacting C. to contact D. be contacted 7. Our energy will soon come to an end If we don't ............. it. A. use B. save C. spend D. take 8. The children like to put ...............- nice clothes when they go out. A. in B. of C. into D. on 9. I like bananas, ............ my brother doesn't. A. because B. but C. and D. even though 10. Please turn ............. the gas. I want to cooking my lunch. A. over B. on C. over 11. He is tired ............. he stayed up late watching TV. A. so B. because C. but D. and 12. Her parents saw her .............. at the railway station. A. in B. for C. up D. off 13. Can you turn ............ the light ? It's too dark. A. on B. off C. in D. for 14. What are you looking ........... ? My picture book. It've lost it A. for B. off C. in C. on 15. There are ............. saving mothods and inventions to use solar energy. A. energy B. energize C. energetic D.energetics 16. I had to pay much money this month for the intermational .................... A. calls B. calling C. W call D. called 17. A new air-conditioner will be ............. this morning. A. installed B. to installl C. installing 18. Scientists are looking for an .............. why to reduce energy. A. affpective B. affpection C. affect D. affectively 19. We can ............. easily in the daylight A. read B. to read C. reading D. readed 1. I am not a rich businessman and I can't afford to buy an expensive card. ---> If ...................... 2. It rained last night so I didn't go to the barbecue. ---> If ..................... 3. My parents do not allow me to go, so I have to stay at home ---> If .................... 4. She doesn't pay afftention to her cooking so the food is horribile ---> If ................... 5. The weather was very nice so we didn't go camping. ---> If ................... 6. The computer broke down and I had to stop my work. ---> If ................... 7. She loves him so she forgives him easily. ---> If .................... 8. He was energy so I didn't say anything. ---> If ....................