题目内容

【题目】I'm not sure where Molly is now.She ______ be inside the classroom preparing for the coming exam.
A.must
B.need
C.might
D.can

【答案】C
【解析】A．must 一定，肯定；B．need需要；C．might可能；D．can能够，表推测用于否定和疑问；句意：我不确定茉莉现在在哪儿。她也许在教室里准备即将到来的考试。根据句意，故选C。

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