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the accident was supposed _____due to careless driving
A to happen B .to have happened
可是was supposed to have done 是过去本应该发生却没有发生?
人气:488 ℃ 时间:2020-06-26 08:25:35
解答
表示“过去本应该发生却没有发生”只是to have done的其中一种用法,to have done也能表示不定式的过去时,强调事情已经发生或过去.语言很复杂也很简单,培养语感很重要,学语法知是为了应考的.我们说中文靠的就是语感,...
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