英语句式问题,此句该怎么填?If the weather had been better,we could have a picn_英语解答

英语句式问题,此句该怎么填?
If the weather had been better,we could have a picnic.But it __ all day.
A.rained B.rains C.has rained D.is raining
应该选哪个?为什么?

人气：392 ℃　时间：2020-05-07 23:04:01

解答

A. 虚拟语气,从句用过去完成时,那么主句就用过去时.虚拟语气记的时候有个方法法,从句的时态比主句要早一个时态.比如从句用现在完成时,主句就用一般现在时.
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