题目

—I still don’t know what ________ while I was away from home?—You’ll know it all some day, I believe.A.had happened B.would happen C.has happened D.happened 答案：【答案】D【解析】句意：——我仍然不知道当我离开家的时候发生了什么。——我相信有一天你会知道的。A. had happened过去完成时态；B. would happen过去将来时态；C. has happened现在完成时；D. happened一般过去时态。根据句意while I was away from home可知，这里说的是过去发生的事情，应用一般过去时态，故选D用be动词的正确形式填空。【1】______ you in Class One?【2】Hi. I ______ Kate.【3】Here _______ a nice picture for you, Ms. Lee.【4】Sally ________ from the USA.【5】Where _____ your baseballs？