Circle the best option (A, B, C or D) to complete each of the following sentences 6. I’ve lost my keys. Can you help me to _____ them? A. look for B. look after C. look up D. look at 7. If we _____ less paper, we _____ trees in the forests. A. can use/save B. use/ save C. use/ will save D. uses/ will save 8. It was raining hard ; _____ ,we go to school on time. A. however B. but C. because D. so 9. I suggest that we _____ to the theater. A. going B. should go C. went D. to go 10. Nam speaks English _____. A. good B. well C. bad D. nice 11. I think we should _____ off the faucets when we don’t use. A. turning B. to turn C. turn D. turned 12. After coming home, she cleaned the floor _____ cooked dinner. A. but B. however C. moreover D. and 13 . He got wet _____ he forgot his umbrella. A. because of B. because C. but D. and 14. I wish I _____ a car. It could make life so much easier. A. have B. would have C. had D. had had 15. We can’t go along here because _____. A. the road was repaired B. the road is being repaired C. the road is being D. the road is repaired 16.I’m disappointed _____ people have spoiled this area. A. that B. when C. if D. how. 17. Tan’s grandfather is ill. Tan has to stay at home to _____ him. A. look back B. look forward to C. look around D. look after 18. To save money, we should _____ the amount of energy used in our homes. A. reduce B. increase C. stop D. leave 19. If the demand increases, prices _____. A. rises B. will rise C. is rising D. would rise 20. It’s too cold for us _____ out. A. go B. going C. gone D. to go