题目内容
My mobile phone is missing. Who _____ it?
A. must have taken B. should have taken
C. could have taken D. need have taken
C
【解析】
试题分析:句意:我的手机不见了。可能是谁拿了呢?A. must have done 肯定做过,常用于肯定句;B. should have done本应该做;C. could have done可能做过;D. need have done往往用于否定句;根据句意选C。
考点:考查情态动词和虚拟语气
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