1. Knowing anything about it, I will tell you all.

1) 你能勾勒出上述句子的结构吗？

2) 你能说出上述各句中分词做状语的句子的功能吗？(做什么状语？)

3) 为什么例句6中用了完成式？

我的疑惑

【合作探究】 单项填空：

1. He sat back on the chair, took a book and began to read,_______.

A. being looked at ease B. looked rather at ease

C. to look rather at ease D. looking rather at ease

2. ______at my classmates' faces, I read the same excitement in their eyes.

　　 A. looking B. look C. To look D. looked

3. ______the city centre, we saw a stone statue of about 10 metres in height.

A. Approaching B. Approached C. To approach D. To be approached

4. It rained heavily in the south, ______serious flooding in several provinces.

A. caused B. having done C. causing D. to cause

5. He had a wonderful childhood, _____with his mother to all corners of the world.

A. travel B. to travel C. traveled D. traveling

6. ___in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

A.To wait B. Have waited C. Having waited D. To have waited

7. The old man, ___ abroad for twenty years, is on the way back to his motherland.

A.to work B. working C. to have worked D. having worked

8. Though___money, his parents managed to send him to university.

A. lacked B. lacking of C. lacking D. lacked in

9.___ far from the school, I have to get up early every morning.

A. Living B. Lived C. To live D. Lives

10.The fire lasted a whole night,____ great damage.

A. caused B. causing C. to cause D. having caused