Mary ________ him very well,they were introduced at a party two years ago.A.knows B.knew C.hadD.is knowing
问题描述：
Mary ________ him very well,they were introduced at a party two years ago.A.knows B.knew C.hadD.is knowing
答
应该选 A,因为说的事实是MARY知道他,后面的原因是二年前