现在完成时和过去完成时练习(共14页).doc

初中英语现在完成时、过去完成时，过去时练习一、 单项选择。 1. Jim turned off the lights and then the classroom.A. was left B. had left C. has left D. left2. Both his parents look sad . Maybe they _whats happened to him . . knew . have known . must know .will know 3. He has _ been to Shanghai, has he ? . already .never .ever . still 4. The train from Beijing ten