We couldn't have a picnic last Sunday.Because it was rainy同义句转换

问题描述:

We couldn't have a picnic last Sunday.Because it was rainy同义句转换
We couldn't have a picnic last Sunday _______ ______ ______ ______
为什么用 because of the rain?

因为 because of 就等于 because 意思一样
because of 后面接短语 because 后面接句子