20. If you _______ it, I will lend the novel to you.

　 A. read　　　　　 B. will read　　　 C. have read　　 D. want read

19. You’ll fail in the driving test______ you have more practice.

　 A. if　　　　　　 B. unless　　　　 C. when　　　　 D. after

18. Do you mind_______?

　 A. if I sit here for a moment　　　　 B. if my sitting here for a moment

　 C. if I will sit here for a moment　　 D. I sitting for a moment

17. -Did you catch the first bus this morning?

　 -No. It had left the stop______ I got there.

　 A. as soon as　　　 B. at the time　　 C. by the time　　 D. during the time

16. It seemed only seconds______ the boy finished washing his face.

　 A. when　　　　　 B. till　　　　 C. after　　　　 D. before

15. It’s a long time since I enjoyed myself. This sentence means______.

　 A. I enjoyed myself for a long time

　 B. I haven’t enjoyed myself for a long time

　 C. I want to enjoyed myself

　 D. what a long time after I enjoyed myself

14. There have been ten thousand visitors to the exhibition since______.

　 A. its opening　　　 B. it’s opening　　 C. it opens　　　 D. one month

13. It is at least three years______ these trees were planted.

　 A. that　　　　　　 B. when　　　　　 C. since　　　　 D. as

12. He was so interested in the book that he had read for three hours______ he realized it.

　 A. since　　　　　 B. before　　　　 C. until　　　　 D. as

11. No sooner_____ he realized that he should have remained silent.

　 A. had the words been spoken then

　 B. had the words been spoken when

　 C. had the words been spoken when

　 D. the words had been spoken than