第二部分：单项选择(共15小题，每小题1分，满分15分）
21. ----Are you going to Tom’s birthday party?
----__________. I might have to work.
A. It depends B. Thank you
C. Sounds great D. Don’t mention it
22. When the wounded solider woke up in the hospital, he found himself ______by doctors and nurses.
A. surround B. surrounded C. to be surrounded D. surrounding
23. If____________, please call on me this afternoon.
A. you are convenient B. you will be convenient
C. it is convenient to you D. it will be convenient to you
24. First, he ____ the good apples from the bad ones, and second, he ___ a good one into two parts.
A. divided; divided B. divided; separated
C. separated; separated D. separated; divided
25. I prefer________ at home rather than _______the boring film.
