-ing 作状语的几种情况的归纳及针对性练习

5. While 打扫教室时)，he came across the lost book. (clean)

6. At present, we all work late into the night, 准备即将到来的考试). (prepare)

7. 努力工作) and you’ll succeed. (work)

8. (天气允许的话),we’ll go out for a picnic. (permit) 左边半张的答案：

1.Hearing 2. Having finished 3.Being ill 4.Having been published

5. walking in the street 6. watching TV 7. Laughing and talking

8. Not having received 9. living, including