Edward, you play so well. But I you played the piano. A. didn’t know B. hadn’t k

 Edward,you play so well. But I        youplayed the piano.

A. didn’tknow                         B.hadn’t known

C. don’tknow                          D.haven’t known

试题答案

【答案】

 A。

【解析】句意为：爱德华,你打得好。但我不知道你弹钢琴。所谈论的是指过去行为，故用过去式。