题目内容
--- What it be?
--- It be a man, for it is not moving. It be a dustbin, I think.
A.can, may, must B.can, can’t, must
C.can, must, can D.may, may not, could
B
考查情态动词的用法。第一空can表推测用于疑问句或否定句;第二空can用于否定句;第三空表示肯定的推测用must。
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