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By the time he comes,we __half of it.
by the time he comes,we __half of it.
这里为什么是will have finished
而不可以have finished?
人气:271 ℃ 时间:2020-07-02 01:40:50
解答
by the time这里肯定是用完成时,而这个动作还没有发生,所以要用将来完成时,因此不能用 have finished
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