20.You can close your umbrella. The rain seems _______.(不定式的现在完成时作表语)

A. stopping  B. to stop  C. to have stopped   D. having stopped 

21. I rushed there in a taxi only _______the library_______.（finding现在分词作状语；shut过去分词做宾补）

A. finding; closed  B. finding; shut  C. to find; close  D. to find; closed

练习：

1、他一边听音乐，一边做作业。（伴随状语）

2、那个园丁把花都修剪了。（过分做宾补）

3、他似乎领会了我的意思。（不定式的现在完成时作表语）

22.Many things _______impossible in the past are common today.

A. considering  B. to consider   C. considered   D. being considered

练习：

过去分词作后置定语

我上周买的新自行车失踪了。

23.He must have gone out. I heard the noise of the door _______when I was still in bed.

A. being locked   B. to lock   C. locking  D. having locked

24.As a boy, he was_______ hard all day long.

A. made to work    B. to make working   C. made working    D. to make work

25. The_______look on his face suggested that he had passed the exam.

A. exciting  B. tired  C. tiring  D. excited

26._______a nurse, she knew how to take care of a patient.

　　A. Been     B. Being   C. To be    D. Be

27._______twice, he didn't want to try again.

A. Failed       B. Failing      C. Having failed   D. To fail

28._______by the police again, the thief hung his head.

A. Being caught      B. Caught    C. Having caught     D. To be caught

作业：过去分词作状语

1）英译汉

Killed by the tiger, the doe stretched its legs and ended its last breath.

2) 汉译英

地球表面被流星雨撞击后，到处都是窟窿。

Hit by………, the earth surface took on…………..