20. 　　 Because of the heavy traffic, it was already time for lunch break ________ she got to her office.

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

19. 　　 If you have a job, ________ yourself to it and finally you’ll succeed.

A. do devote 　 B. don't devote C. devoting 　　 D. not devoting

18. 　　 You’ve failed to do what you ________ to and I’m afraid the teacher will blame you.

A. will expect B. will be expected C. expected 　　 D. were expected

17. 　　 The lawyer listened with full attention, ________ to miss any point.

A. not trying 　 B. trying not　 C. to try not 　 D. not to try

16. 　　 -When shall we restart our business?

-Not until we ________ our plan.

A. will finish B. are finishing　　 C. are to finish 　 D. have finished

15. Such poets as Shakespeare _____ widely read, of whose works, however, some _____ difficult to understand.

A. are；are 　　 B. is；is 　 C. are；is D. is：are

14. 　　 How much one enjoys himself traveling depends largely on ________ he goes with, whether his friends or relatives.

A. what 　　 B. who C. how D. why

13. 　　 -I’m sorry. That wasn’t of much help.

-Oh ________.As a matter of fact, it was most helpful.

A. sure it was B. it doesn’t matter　 C. of course not 　 D. thanks anyway