21.One________boy, Liangliang, crosses the river every school day.

　　 　A. 11 years old　 B. 11-year-old　 　C. 11-years-old　 D. 11 year old

20.I have to wear ______ uniform at school.

　　 　A. a　 　　　　　B.an　 　　　　　C. / 　　　　　D. the

19. _______ does it take you to go to school by car?

　　 　A. How far　　 　B. How long　　 C. How often　 D. How many

18. She likes children. So she is good ______ children.

　　 　A. with　 　　　　B. in　 　　　C. on　 　　　D. of

17. Sam is a ________ dancer. He can dance _______.

　　 　A. good, good　 B. well ,well　 C. well , good　 D. good ,well

16. My teacher helps us _________ swimming.

　　 　A. on 　　　　　B. in　　 　　C. with　 　　D. for

15. They need two ________for their music club.

　 　　A. musicians　　 B. dancers　 C. runners　 D. swimmers

14. Are you good _______ math?

　　 　A. with 　　　　B. to　　 　　C. at　　　 Dfor

13. I can sing well. I want _________ the music club.

　　 　A. join　 　　　B.join to　　 C.joining　 　D.to join

12.Can your father swim?

A. Yes, I can.　 B. No, he can.　 C. Yes, she can.　 　D. No,he can’t.