2017-2018学年高中英语必修三课时提升作业: 八 Module 3 Period 3 Grammar 语法专题课
Ⅰ. 把下列句子改为被动语态1. He had broken his arm when I saw him.2. Lucy had already completed the project when I arrived.3. I had sold out the ticket when she came.4. They began to climb the mountain after they had bought all the foodand drinks.5. I had turned off all the lights before I went to bed.答案:1. When I saw him his arm had been broken.2. When I arrived the project had already been completed.