那么我们现在来做几道练习吧!

1. The old writer could not sleep at night, his wrongs and sorrows ____ him no peace.

A. gave

B. have given

C. being given

D. giving

2. Television has become as major instrument of communication, ____ us to see as well as to hear all kinds of programmes.

A. to permit

B. permitted

C. being permitting

D. permitting

3. The decision ____, what is to be done now is how to carry it out.

A. been made

B. has been made

C. having been made

D. having been making

4. Some people are sitting on the grass; others are strolling along the lake side, _____.

A. chatting and to laugh

B. to chat and to laugh

C. chatting and laughing

D. chatting and laughed

5. I was overjoyed at the news of my hometown ____ so much progress.

A. to make

B. to have made

C. made

D. having made

答案：1-5DDCCD