题目内容
—Another cup of coffee?
—No, thanks. I ________ be off. My friend is waiting for me at the school gate.
A. can B. may C. must D. might
C
【解析】
试题分析:句意:再来一杯咖啡吗?不,谢谢,我必须得离开。我的朋友正在学校门口等着我。A. can能, B. may可能, C. must 必须, D. might也许。据My friend is waiting for me at the school gate.,故选C。
考点:考查情态动词。
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