第二部分：英语知识运用（共两节，满分35分）
第一节：单项填空(共15小题；每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. ---Jack，do you mind if I use our computer for a while?
---Not at all.___.
A. You’ll use it. B. Go ahead. C. Come on. D. Take it easy.
22.Think about ___ you enjoy doing, and look for others that enjoy it too.
A .what B. which C. that D. whether
