If we had paid enough attention to the issue of the heavily-overloaded vehicles, the tragedy of the collapse of an overpass in Wuxi _____ avoided.
A.should B.could be C.should have been D.could have been
The traffic is heavy today. I ____ arrive a bit late, so could you save me a place?
A.can B.must C.dare D.might
–Do you know where David is? He is not in the office.
–Well, he ______ have gone far—his coat is still here.
A.shouldn’t B.mustn’t C.can’t D.wouldn’t
She looks very happy. She_________ the exam.
A.can have passed B.should have passed C.must have passed D.could have passed
Tom is nice and lovely, but he be very naughty at times.
A.can B.shall C.must D.should
—You rang me up at about 10:00 last night, didn't you?
—No, I didn't phone you. It someone else.
A.must have been B.could be C.must be D.could have been
