It ______ nearly two weeks since I had received his letter.A.is,Bwas
问题描述：
It ______ nearly two weeks since I had received his letter.A.is,Bwas
选什么 理由
答
B
since I had received his letter这里用的是过去完成时,所以,这里要用过去式有一个题是it is five years since my aunt left here解释一下 是不是去掉had 就选A？my aunt left距今为止是不是去掉had 就选A正确