1. (2012大纲卷)19. The Harry Potter books are quite popular ; they are in great ______in this city.
A. quantity B. progress C. production D. demand
2. (2012天津卷)3.You were working too hard. You’d better keep a ________between work and relaxation.
A. promise B. lead C. balance D. diary
3. (2012福建卷)25. — Why do you choose to work in an international travel agency?
— Well, you know, English is my _____. So it is my best choice.
A. strength B. talent C. ability D: skill
