第一节 单项填空（共15小题；每小题1分，满分15分）
21. The Spring Festival is _______ special holiday in China ______ the whole family are supposed to get together.
A. the; when B. a; when C. the; that D. a; that
22. The number 2008 is a special number, _____ I think, that will be remembered by the Chinese forever.
A. one B. it C. which D. what
