10. You didn't hear us come back last night. That's good. We tried ______ noisy.

　　 A. to not be　　　　　 B. not to be　　　　　 C. being not　　　　　 D. not being

9. Remember ______ the book, when you have finished it.

　　 A. putting back　　 B. having put back　　 C. to put back　　　　 D. will put back

8. Some people's greatest pleasure is ______ .

　　 A. fishing　　　　　 B. to fish　　　　　　　 C. to be fish　　　　　 D. being fishing

7. It's very kind ______ you ______ say so.

　　 A. of, to　　　　　　　 B. for, to　　　　　　 C. to, to　　　　　　　 D. of, /

6. The old man's ______ pity on the snake led to his own death.

　　 A. take　　　　　　　 B. taking　　　　　　 C. being taken　　　　 D. have

5. It is no good ______ today's work for tomorrow.

　　 A. to leave　　　　　　 B. leaving　　　　　　 C. that you leave　　 　D. leave

4. It's no use______ with him. You might as well ______ with a stone wall.

　　 A. arguing, argue　　　 B. to argue, arguing　　 C. arguing, arguing　　 D. to argue, argue

3. I couldn't understand ______ at the poor child.

　　 A. you to laugh　　 B. you laugh　　　　 C. why laugh　　　　 D. you laughing

2. We can't understand ______ a decision until it is too late.

　　 A. him to postpone to make　　　　　　　　　 B. his postponing to make

　　 C. him to postpone making　　　　　　　　　 D. his postponing making

1. Alien said that his trip was _______.

　　 A. interested　　　　　 B. interest　　　　　　　 C. interesting　　　　 D. of interest