II. 单项填空（共15小题；每小题1分，满分15分）
21. — What makes you successful in this position?
— _____
A. Because I believe I will be successful in the future.
B. Thank you very much.
C. Are there any questions you would like to ask me?
D. Being responsible and working hard are the keys to my success.
22. Would you slow down a bit, please? I can’t _____ you.
A. keep up with B. put up with
C. make sure D. hold on
23. In order to change attitudes ______ employing women, the government is bringing in new laws.
A. about B. of C. towards D. on
24. — Can I help you?
— I’d like a room with a bath. How much do you ______?
A. pay B. offer C. charge D. afford
