13．---Is there a flight to Paris this evening？
---There ________ be．I'll phone the airport and find it out．（　�。�
A．mustB．willC．mightD．can

分析 --今天晚上有航班到巴黎嗎？
--可能有．我馬上就打電話到機場看看有沒有．

解答 答案：C．
must必須，應(yīng)該，一定，準是；will 表示愿意；can 表示能力、客觀的可能性、請示和允許；might表示允許、許可，表示可能性的推測，含有"或許、大概、可能"之意．根據(jù)"I'll phone the airport and find it out．"可知這里并不確定，應(yīng)該是表推測"可能有"，故用might，所以選C．

點評 本題考查情態(tài)動詞的用法．要理解句意，掌握好各個情態(tài)動詞的用法．充分利用語境，注意分清各個情態(tài)動詞適用的句型，得出答案．

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