题目内容
His silence at the meeting suggested that he ________ to your plan.
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His silence at the meeting suggested that he _________ to your plan.
A. didn’t agree B. hadn’t agreed C. wouldn’t agree D. shouldn’t agree
He ____ to your home; he doesn't know your address.
A.can't have been B. mustn't have been C. cannot been D. must have been
He ________ to your home, because he didn't know your address.
A. must have been B. mustn't have been
C. couldn't have been D. might have been
