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【题目】-Where's Amy7

-I'm not sure. She ____ be in the laboratory

A. might B. can

C. must D. should

【答案】A

【解析】试题分析:句意:--Amy在哪儿呢?--我不确定。她可能在实验室里。A might 可能; B can能够;c must 必须;D should应该。根据I'm not sure判断说话人不确定,选A

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