Ⅱ. 单项选择 (每小题1分，共15分)
( )21. — ______ are you going to Guangzhou?
— I’m taking the plane.
A. What B. Why C. When D. How
( )22. — Mary, is that umbrella ______?
— No. It belongs to Jane.
A. your B. yours C. her D. she
( )23. — Can I help you, boy?
— Yes. There is ______ wrong with my bike.
A. something B. anything C. everything D. nothing
