We were going to go shopping last Friday _____,i

问题描述:

We were going to go shopping last Friday _____,i
t begin to rain cats and dogs .
A.after B.when C.while D.before

D为什么呢人在吗意思是我们原来准备星期五去逛街 但下雨没去成 before表以前 过去写了谢了