—Mum, my mobile phone is nowhere to be found. —______it in the locker room of the gym?

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问题 —Mum, my mobile phone is nowhere to be found. —______it in the locker room of the gym?

选项 A、May you leave
B、Can you have left
C、Could you leave
D、Must you have left

答案B

解析 本题考查情态动词用法。May you leave和Could you leave用于疑问句时,表示委婉地征求某人的意见,故排除[A]项和[C]项。Must have done表示肯定推测,用于肯定句中,故根据对话第二句末尾的问号排除[D]项。“can+have+过去分词”表示对过去事实的怀疑或不确定,用于否定句和疑问句中。根据语境“落在体育馆更衣室”应该是对过去事实的推测,故答案为[B]项。
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