---Has your father returned from Africa yet? ---Yes,but he_here for only three days before hiscompany 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

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---Has your father returned from Africa yet? ---Yes,but he_here for only three days before hiscompany 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
---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~~~

---Has your father returned from Africa yet? ---Yes,but he_here for only three days before hiscompany 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
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

he was here
Because for only three days is followed by "before his.."