3. Children should not be allowed to watch v______ movies.

2. We shouldn’t judge a person by his a______.

1. The Japanese are used to b______ to each other when they meet.

20. There is some doubt whether he will______ in the meeting.

　 A. turn on　　　　　 B. turn up　　　　 C. turn down　　　 　D. turn off

19. The best part of the trip was the______. It was so attractive.

　 A. scene　　　　　　 B. scenery　　　　 C. sight　　　　　　 D. view

18. The World War II made______ impossible for Einstein to go on with his research.

　 A. him　　　　　　 B. it　　　　　　 C. this　　　　　　 D. that