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
