—Why aren’t they here yet?—They _______the bus.A.can have missedB.must be late f

—Why aren’t they here yet?—They _______the bus.A.can have missedB.must be late f

题型:不详难度:来源:
—Why aren’t they here yet?
—They _______the bus.
A.can have missedB.must be late for
C.may have missedD.might be late for

答案
C
解析
他们未何还未到?可能是未赶上汽车。表示对过去事实的猜测。故选C。
举一反三
I’d rather you did some housework when you are free ,but you _________.
A.didn’tB.shouldn’tC.weren’t D.don’t

题型:不详难度:| 查看答案
The door_________. Better have it repaired .
A.isn’t shutB.hasn’t been shut
C.won’t be shut D.won’t shut

题型:不详难度:| 查看答案
—What’s the matter with you ?                   
—Oh, I’m not feeling well in the stomach . I_________so much fried fish just now .
A.shouldn’t eat B.mustn’t have eaten
C.shouldn’t have eaten D.mustn’t eat

题型:不详难度:| 查看答案
It is hard for me to imagine what I would be doing today if I __________in love , at the age of seven , with the library in my hometown .
A.wouldn’t have fallen B.should not fall
C.had not fallen D.were not to fall

题型:不详难度:| 查看答案
—Did you meet with the famous space hero , Yang Liwei ?
—_______I had come here earlier !
A.If only B.If not C.But for D.For fear

题型:不详难度:| 查看答案
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