语法题目请分析为什么不选B谢谢
"Do u smell smoke?"
"Yes.Something ( ).
A.should have burned
B.must have burned
C.should have been burning
D.must be burning
人气:116 ℃ 时间:2020-03-23 07:22:11
解答
"有没有闻到烟味?"
"是的,什么东西烧着了"
选D 情态动词加进行时表示对当前正在发生的事情的肯定推测,而B情态动词加完成时是对过去的事情进行推测,不符合语境.
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