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备战2013年职称英语考试，在线整理了职称英语考试相关学习资料，希望对您学习职称英语有所帮助! How much do the movie tickets cost? 这些电影票值多少钱? DidV 结构：Did+主词+原形动词+过去时间? 说明：将肯定句中的过去式改为Did+原形，并将 Did 放在句首，句尾用问号，即构成过去式的. Did he clean the room yesterday? 他昨天打扫房间吗? Did she wash the skirt yesterday? 她昨天洗这裙子吗? Did your brother play in the park this morning? 你弟弟今天上午在公园玩耍吗? Did he eat lunch yesterday? 他昨天吃午饭吗? Did you see any elephants in the zoo last week? 上星期你在动物园里看到大象了吗? | 
