18. Don’t worry, sir. I’m sure I can run _______ to catch up with them.

　　　　 A. slowly enough　　 B. enough slowly　　 C. fast enough　 　D. enough fast

17. I can’t say _______ I want to see you again. It’s a year since I last saw you.

　　　 A. how long　　　　　 B. how often　　　　 C. how much　　　　 D. how soon

16. --_______ do you go to the library?　　　 -- Four times a month.

　　　 A. How often　　　　 B. How soon　　　　 C. How long　　　　 D. How much

15. You must drive _______ next time, or there may be another accident.

　　　 A. more carefully　　 B. carefully　　　　 C. careful　　　　　 D. more careful

14. –Does Liu Hua ever guess the meanings of English words?

　　　　 --He _____ guesses the meanings of new words. He uses his dictionary all the time.

　　　 A. usually　　　　　 B. always　　　　　 C. never　　　　　　 D. sometimes

13. –George looks strong. Has he ever been sick?

　　　　 --He’s a superman! He _______ goes to the doctor.

　　　 A. already　　　　　 B. even　　　　　　 C. often　　　　　　 D. seldom

12. --_______ were you away from school last year?　 --About two weeks.

　　　 A. How often　　　　 B. How soon　　　　 C. How long　　　　 D. When

11. –It’s a nice car. _______ have you been in it?　　　 --Just to Shanghai.

　　 　A. How much　　　　 B. How long　　　　 C. How soon　　　　 D. How far

10. –How far is it from your home to your school?　 --It’s a quarter’s walk, _______.

　　　 A. here and there　　 B. now and then　　 C. up and down　　 D. more or less

9. –Please write to me when you have time. --Sure. But _______ is your e-mail address?

　　　 A. when　　　　　　 B. where　　　　　　 C. what　　　　　　 D. which