问题描述:
看很多书上说,couldn't/mightn't have done没有虚拟的意思.那么
without your help,we couldn't have finished the work so soon.中的couldn't have done难道不是虚拟吗.
请详述~谢谢
without your help,we couldn't have finished the work so soon.中的couldn't have done难道不是虚拟吗.
请详述~谢谢
问题解答:
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