题目内容
从所给的四个选项中选择最佳答案
—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.have to D.must
答案:B
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题目内容
从所给的四个选项中选择最佳答案
—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.have to D.must