——May i keep the book you just bought for several days?——Of course,you can,I ______ it twice when I was in the bookstore.A.have read B.was reading C.had read D.read
问题描述：
——May i keep the book you just bought for several days?——Of course,
you can,I ______ it twice when I was in the bookstore.
A.have read B.was reading C.had read D.read
答
C 吧、。
过去完成时，以过去的状态为支撑点。 貌似是这样。
答
had read
was 表示过去 过去的过去用过去完成时