【題目】My sister met him at the Grand Theatre yesterday afternoon, so he _____ your lecture.

A. couldn’t have attended

B. needn’t have attended

C. mustn’t have attended

D. shouldn’t have attended

【答案】A

【解析】

試題分析：考查情態(tài)動詞用法�！扒閼B(tài)動詞+have done”表示對過去情況的推測。其中must have done過去肯定做了某事。should have done 本應(yīng)該做而實際未做。 can’t/couldn't have done 過去不可能做了某事；shouldn’t have done 本不應(yīng)該做而實際做了。 need have done 本有必要做某事；needn’t have done 本沒有必要做某事；注意沒有 mustn’t have done的形式。句意：昨天下午我姐姐在大廣場遇見了他，所以他不可能去聽你的演講的。根據(jù)句意可知本句使用“couldn't have done”，表示不可能做了某事。故A正確。

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