第二部分：英语知识运用（共两节；满分45分）
第一节 单项选择 （共15小题；每小题1分，满分15分）
21.--- Bob，are you free at the moment？I have to ask you some questions.
--- _______.
A. It's a pleasure B. Ask，please C. Help yourself D. Yes, go ahead
22. I hate the idea of going on________ diet; I prefer taking ________ exercise.
A. a; the B. the; / C. the; the D. a; /
23. The heavy rain ________ his eyesight, making it difficult to see the road.
A. turned out B. broke out C. blocked out D. made out
24．-----Can I ask you a few straightforward questions about yourself?
------No problem. I like________ when people are open and direct.
