Ⅱ. 选择填空（每小题1分，共15分）
( )21. ---Do you play _________ piano in your free time?
---No, I like sports. I often play ________ soccer with my friends.
A. /; the B. the; / C. the; the D. a; a
( )22. ---Excuse me, are these books ________?
---No, they are ________ classmate’s.
A. his; he B. hers; hers C. your; mine D. yours; my
