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【題目】We ____________ here on time. But the traffic was so heavy.

A. can have come B. must have come

C. should have come D. need have come

【答案】C

【解析】

試題分析: 句意：我們本該準時到達這里的。但是，交通太擁堵了。情態(tài)動詞+have done表示對過去事情進行推測，can have done可能已經做了某事；can’t have done不可能已經做了某事；must have done一定已經做了某事，否定推測用can’t；should have done本應該做某事；shouldn’t have done本不應該做某事；need have done本需要做某事。我們本應該按時到達，實際上未能按時到，故選C。

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