题目内容
【题目】John ______ come to see us tonight, but he isn't very sure yet.
A.may
B.can
C.has to
D.must
【答案】A
【解析】句意：John也许今天晚上会来看我们，但是他不太确定。may也许；can表猜测时通常用于否定句和疑问句；has to不得不；must一定，必须。根据not sure可知选A。
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题目内容
【题目】John ______ come to see us tonight, but he isn't very sure yet.
A.may
B.can
C.has to
D.must
【答案】A
【解析】句意：John也许今天晚上会来看我们，但是他不太确定。may也许；can表猜测时通常用于否定句和疑问句；has to不得不；must一定，必须。根据not sure可知选A。