1. My classmates suggested playing chess but I prefer ________ hike and seek.
A. playing B. play C. played D to playing
2. You don't like English food. What about ________Chinese food?
A. to eat B. eat C. eating D. ate
3. I think we should ________ up our neighborhood.
A. to clean B. clean C. cleaning D. cleaned
4. Our teacher suggests ________a meeting to discuss about the solution to keep our environment clean.
A. to hold B. hold C. holding D. held
5. Her former leader suggests that she should ________ harder to break her past records.
A. to train B. train C. training D. trained
6. The children volunteer to clean up the local park ________ there are lot of used cans and trash there.
A. but B. because C. and D. so
7. Her mother took her to the zoo ________ it owed her some rare animals.
A. but B. because C. and D. so
8. The "Green Sunday" was short: ________, the students enjoyed it very much.
A. but B. because C. however D. although
9. Hoa missed the bus this morning, ________ she went to school late.
A. but B. so C. however D. and
10. Dioxins are dangerous chemicals________ they can cause cancer and birth defects.
A. but B. however C. because D. therefore
11. The children ate too much sweet ________ they get toothache easily.
A. so B. and C. but D. because
12. Organically grown fruits and vegetables may not look as perfect, ________ it's good for your health.
A. so B. and C. however D. therefor
13. Thousand s of gallons of water were polluted ________some body spilled the motor oil and it swept into the ground.
A. because B. so C. and D. however
14. ________ we use less electricity, power plants will burn less fuel.
A. If B. So C. Therefore D. Because
15. Old newspapers can be used to make newspapers, ________ you can collect them and bring them to the recycling center.
A. so B. because C. and D. therefore
16. Don't use Styrofoam or aerosol spray ________ they both contain chlorofluorocarbons.
A. so B. because C. and D. for
17. Pesticides are chemicals poisons used by farmers to kill weeds and insect pests, ________ some pesticides are still in the food when it gets to the market.
A. so B. because C. and D. however
18. We use paper whenever we can, ________ the backs of envelopes or the clean backs of notebook sheets are great for scrap paper.
A. so B. because C. but D. however
18. He didn't go to school yesterday; ______.he had to ask his friends what they learned then.
A. but B. therefore C. and D. so
20. The countryside is very peaceful ________ the air is so fresh.
A. but B. and C. therefore D. because
21. Ba missed the Math test yesterday. ________, he will have to do it next week.
A. therefore B. but C. and D. because
22. My sister is very tired: ________, she still has to cook dinner for the family.
A. so B. however C. and D. as
23. She doesn't look so pretty ________.She has soft voice.
A. and B. but C. so D. however
24. They don't like the opera ________ it doesn't look sound interesting.
A. and B. but C. because D. so
25. Daisy is very nice: ________, all her friends love her very much.
A. and B. so C. therefore D. because
26. Can you turn _________ the lights? It's too dark.
A. on B. off C. in D. for
27. What are you looking ________? My picture book. I've lost it.
A. on B. off C. for D. after
28. There are ________ saving methods and inventions to use solar energy.
A. energetic B. energize C. energy D. power
29. I had to pay much money this month for the international________.
A. calls B. calling C. to call D. called
30. A new – conditioner will be ________ this morning.
A. to install B. installed C. installing D. to install.
31. Scientists are looking for an ________ way to educe energy consumption.
A. effect B. affection C. effective D. effectively
32. We can ________ easily in the daylight.
A. to read B. reading C. read D. readable
33. She won't take all these suitcases ________ she likes to travel lightly
A. so B. but C. because D. and
34. They are completely short of water now. A number of people have died because of this ___
A. shortage B. short C. shorten D. shortening
35. What can we do to spend less ________ lighting?
A. in B. on C. about D. at
36. There will be a _______cut tomorrow in Bu Nho.
A. energetic B. energize C. energy D. power
37. Your house needs _________ right now it's too old.
A. paint B. painted C. to paint D. painting
38. My father used to make me ________hard at night.
A. study B. to study C. studying D. studied
39. Will you _________for dinner one night.
A. across B. down C. over D. in
40. It is necessary that the government ________something about it immediately.
A. do B. did C. to do D. have done
41. He talks as if he_________ about it clearly.
A. know B. to know C. knowing D. knew
42. She _______ hard last night. She did her test perfectly this morning.
A. can have studied B. might have studied
C. should have studied D. must have studied
43. That's the _______ interesting novel I've ever read.
A. more B. even C. most D. every
44. My color TV, _______ I bought 10 years ago, still gives beautiful pictures.
A. which B. that C. what D. X
45. He is very stubborn, so it will be difficult to _______ him to go.
A. persuade B. suggest C. make D. prevent
46. "Who is Mr. Medley?" "I have no idea. I've never heard _______ him".
A. about B. from C. after D. of
47. Children are _______ to overcome problems.
A. determine B. determined C. determinant D. determination
48. They will be sent to work in America _______ their English is better next year.
A. when B. unless C. if D. because
49. I've never ______very well with my brother. We've got completely different personalities.
A. got off B. got on C. got away D. got up
50. ____ lion dancing is very popular in Viet Nam, my friend Andy does not enjoy it.
A. But B. Although C. If D. However
