Unit 4 Then and now 习题 2一、 单项选择。1. ---_____ he often ________ TV now? ---No, he didn’t. A. Was, watches B. Did, watching C. Did, watch D. Does, watch 2. When _________ Lee ________ school this morning? A. had, got to B. did, get to C. did, get D. did, got to 3. _____...