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1、时间状语从句（三）进阶练习I. 选择题1. Not until I began to work_ how much time I had wasted.A. did I realize B. I did realize C. I was realize D. I realize2. He _ go to bed until he finished his homework.A. dont B. 不填 C. didnt D. was3. Martin drove along_ he found a convenient parking place.A. after B. when C. unti
2、l D. sinceII. 改错4. Till you told me, I had heard nothing of what happened.5. You may stay here when the rain stops.参考答案1.A 2.D 3.C 4. 将till改为until 5. 将when改为until/till解析：1.“直到开始工作，我才认识到我已蹉跎了多少岁月”。Not与until放在一起置于句首时，主句用部分倒装。2.“直到做完作业他才睡觉”。谓语动词是终止性动词时，句子需用否定形式。3.考察状语从句的连接词。“Martin开着车一直前行直到他找到一个方便停车的地方”。根据语义，选until 直到才.。4. till不可以置于句首，而until可以5.主句如果是肯定句。谓语动词需用延续性动词，表示主句的动作到从句表示的时间点就结束
