第二部分：英语知识运用（共两节, 满分45分）
第一节：单项填空（共15小题，每小题1分，满分15分）
21． —I’m so glad I caught you at home． I need your help!
—________, Robin?
A．What’s up B．What else C．How come D．Why not
22．—Why are you looking at them in surprised expression?
—Don’t you think question is surprising?
A．the, the B．a; the C．a; a D．the ; a
