二．单项选择。（每小题1分，共15分）
( )21. Here is ________ basketball. Do you play ________ basketball?
A. a; the B. a; a C. a; / D. an; /
( )22. Is this ________ dictionary? No, it isn’t. It is ______ dictionary.
A. you; h is B. your; he C. you; he D. your; his
( )23. I like oranges, ________ my sister doesn’t like ________.
A. and; they B. so; them C. but; them D. but; they
