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 –Thereisalotofsmokecomingoutoftheteachingbuildingthere...

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问题详情:

 –Thereisalotofsmokecomingoutoftheteachingbuildingthere...

 –There is a lot of smoke coming out of the teaching building there.

        --Really? It ______ be a fire, most probably.

         A. can           B. ought to         C. may            D. must

【回答】

B

知识点:情态动词

题型:选择题

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