19. ---I used to play tennis, But now I am on the swim team.　 ---__________________.

A. Good idea　　 B. People sure change　　 C.Thanks　　 D. All right

18. I like the Internet because I can ___________ my friends and make a lot of new friends online.

A. chat with　　 B. help with　　 C. find　　 D. go with

17. It is said that ______________ is good for our teeth.

A. chew gum　　　 B. chewing gum　　　 C. eating gum　　　 D. having gum

16. He doesn’t do his homework ______, though he has _______.

　 　A. carefully enough; enough time　　 B.　 enough careful; time enough

　 　C. careful enough; enough time　　　 D. enough carefully; time enough

15. My younger sister wants to get her ears _______.

　 　A. pierced　　　　　　 B. piercing　　　　　　 C. pierce　　　　 D. to pierce

14. ---He would go to see you.　 ---_____ he did not come?

　　 　A. What if　　　 B. Where if　　　 C. Why if　　　 D. What as

13. I will give you some help. I won’t __________.

　　 A. let you down　 B. let down you　　 C. give you down　 D. let you up

12. He has many different ways ______that work.

　 　　A. to do　　　 B. doing　　 C. does　　　 D. did

11. I found ___ very difficult to understand people who speak fast.

　 A. that　 B. this　 C. one　 D. it

10. When do you think __________________?

　 　A. the train will arrive　　　　　　 B. will the train arrive

　 　C. does the train arrive　　　　　　 D. the train does arrive