英语选择题：_____ in thought,...
________in thought, he didn't notice his teacher coming into the classroom.
A. Lost B. Having lost
此题参考答案为A.求教done 与having done之区别.
人气：439 ℃ 时间：2020-04-24 17:08:44
解答
A.选B语法上就错误,最起码也应该是Having been lost,但是这里lost是表示一个状态修饰,类形容词,所以直接lost in thought就可以
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