21．For a long time they walked without saying ____ word. Jim was the first to break ____ silence.
A. a; the B. the; a C. a; / D. the; /
22. ---- I’m sorry to keep you waiting. I’ll make short of work of this.
---- . _______. I’m not in a hurry.
A. Go ahead B. Not at all C. Take your time D. As you like
23. Wang Mei devoted herself entirely to her career, which earned her a good ________in her field.
A. pressure B. reputation C. standard D. permission
