问题补充:
If the weather had been better,we could have had a picnic.But it all day.
A. rained
B. rains
C. has rained
D. is raining
答案:
(答案→)A. rained
B. rains
C. has rained
D. is raining
解析:考查时态。根据前半句的时态可知是与过去事实相反的虚拟语气。But后面的句子使用陈述语气,故使用过去时。
时间:2019-01-23 13:11:17
If the weather had been better,we could have had a picnic.But it all day.
A. rained
B. rains
C. has rained
D. is raining
(答案→)A. rained
B. rains
C. has rained
D. is raining
解析:考查时态。根据前半句的时态可知是与过去事实相反的虚拟语气。But后面的句子使用陈述语气,故使用过去时。