41: The benefits program __________ in the next few months.
A. had changed B. were changed C. changed D. will be changed
42: The assistant to Ms. Brigham __________ more responsible in the last year.
A. is becoming B. has become C. will become D. becomes
43: If everyone _________, how would we control the traffic?
A. could fly B. can fly C. flies D. had flown
44: We _________ with a swim in the lake.
A. gave in B. cooled off C. got out D. took up
45: He was ___________ speaker!
A. so good a B. so a good C. how good a D. what a good
46: Go __________ this road and then turn left.
A. on B. at C. down D. over
47: This is the first time I __________ the experiment on plant breeding.
A. do B. would do C. did D. have done
48: ‘Please, will you just tidy your room, and stop _______ excuses!’
A. making B. doing C. having D. taking
49: You ________ finish your homework now. You can always do it after dinner.
A. couldn’t B. mustn’t C. don’t have to D. shouldn’t
50: Sometimes Tim wonders __________ when he has too many things to do.
A. what to do B. where to start C. when to do D. why to start
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Sinh Học lớp 12
