we didn'r expect them to ______-for us ....
来源:百度知道 编辑:UC知道 时间:2024/09/27 05:51:14
we didn'r expect them to ______-for when we arrive there so late.
A.to be waiting B.to have been waiting
C.to have waied D.to wait.
为什么不选B. 解释详细点哦 答案是A。我知道A对。那B 错在哪儿????
A.to be waiting B.to have been waiting
C.to have waied D.to wait.
为什么不选B. 解释详细点哦 答案是A。我知道A对。那B 错在哪儿????
如果选B,整句话的意思就会变成,他们在我们到之前已经完成等待这个动作了,而且我们是到了那里才知道这件事。也就是说,该句重点成了后半句,就是我们到了那里知道了他们曾经有等待我们这么一件事情了。
如果选A,就表示我们到的时候他们还是在等待,这样重点就成了他们等待我们这件事了。所以根据句意,选A比较合理。
另外,从语法上讲,have been waiting是一个进行时态,是持续性的动作,不能和后面的when搭配使用!
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