题目内容
【题目】—Another cup of coffee?
—No, thanks. I _____ be off. Mary is waiting for me.
A.can B.may
C.must D.might
【答案】C
【解析】
试题分析:结合关键信息“Mary is waiting for me.”可知题意为“我必须离开了”,故排除A、B、D三项,故选C
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题目内容
【题目】—Another cup of coffee?
—No, thanks. I _____ be off. Mary is waiting for me.
A.can B.may
C.must D.might
【答案】C
【解析】
试题分析:结合关键信息“Mary is waiting for me.”可知题意为“我必须离开了”,故排除A、B、D三项,故选C