19. Our country has changed a lot since we joined _______.

　 A. UN　　 B. WTO　　　 C. NBA　　　 D. CCTV

18. I will go to the party if I _______.

　 A. am invited　　 B. was invited　　 C. have invited　　 D. invited

17. It’s everyone’s duty to stop throwing rubbish _______.

　 A. more or less　 B. here and there　　 C. up and down　　 D. sooner or later

16. ---What do you think of the film last night?

　 ---Not so good. In fact, I’ve never seen a ______one before.

　 A. better　　 B. worse　　 C. bad　　　 D. good

15. He is a man of a strong mind. He never _____ his plans.

　 A. gets up　　 B. sends up　　 C. puts up　　 D. gives up

14. The parents didn’t tell their son the secret ______he grew up.

　 A. because　　 B. when　　 C. if　　　 D. until

13. ---Do you have today’s newspaper, please?

　 ---Only several left. Would you like to have _____, sir?

　 A. it　　 B. one　　　 C. this　　 D. that

12. ---Be quiet, please! The baby _______.

　 ---Sorry.

　 A. sleeps　　 B. slept　　　 C. is sleeping　　　 D. was sleeping

11. Lin Liang has learned English for many years, but he can still ______understand the English-

　speakers.

　A. hardly　　 B. ever　　　 C. clearly　　　 D. almost

10. ---______ party are you going to?

　 ---Diana’s.

　 A. Which　　　 B. Who’s　　　 C. What　　　 D. Whose