19. It’s too noisy here. Please ask him to ____the radio a little.

　 A. turn down　 B. fall down　 C. shut down　 D. come down

18. I ____my CD here and there, but I still can’t find it.

　 A. have looked for　 B. look for　 C. will look for　 D. was looking for

17. You must read the ___carefully before taking the medicine.

　 A. news　　 B. pictures　　 C. numbers　 D. instructions

16. Miss Zhao is very helpful. She often helps us ____we are in trouble.

　 A. whether　 B. although　　 C. whenever　 D. however

15. The harder we work, the ___ result we will get.

　 A. faster　 B. fewer　 C. better　 D. smaller

14. If you want to do better in playing the piano, you need more ____.

　 A. technology　 B. practice　　 C. pleasure　　 D. challenger

13. Willie will learn swimming, no matter how much it ____.

　 A. costs　 B. takes　　 C. spends　　 D. pays

12. ---May I use your dictionary?

　 ---_____.

　 A. Never mind B. You are welcome C. It doesn’t matter D. Certainly. Here you are

11. He was so tired that he fell asleep ___he went to bed.

　 A. as if　 B. even though　 C. ever since　　 D. as soon as

10. Last Thursday when I got to the airport, I ____I had left my ticket at home.

　 A. forgot　 B. realized　 C. believed　 D. seemed