---Has your father returned from Africa yet? ---Yes,but he_here for only three days before his
company sent him to Australia.
A.was B.has been C.will be D.would be
该题选择A.我的疑问是既然有 for+一段时间 为什么不用完成时,为什么不选B
十分感谢~~~
人气：416 ℃ 时间：2020-01-31 23:26:12
解答
回答的时态 你为什么要去看问句?
答句有“before+点时间” 那就是一个很普通的一般过去时答句中有for only three days 这不是时间段吗？时间段不应用完成时吗？但是如果用完成时也要用过去完成时啊 也不能是B现在完成时啊从before可以看出来 一定要过去的时间所以才只能选A啊如果有过去完成时，是不是可以选呢？过去完成时和一般现在时的答案不会一起出现吧？有过去完成时肯定选过去完成时
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