A)单项填空 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项．
21. There is _______ "s" in_______ word "study".
A. a; the B. a; a C. an; the D. the; the
22. What does Mr. Green often_______ at the class meeting?
A. say B. tell C. talk D. speak
23. These are_______ books .Please give_______ to _______.
A. my; it; me; B. his; them; him
C. her; them; hers D. his; it; his
24. _______ you free today? Would you like_______ shopping?
A. Do; going B. Do; to go C. Are; to go D. Are; going
25. They often have a class meeting _______ 3 p.m _______ every Friday.
A. at;/ B. on; on C. in; on D. at；on
26. What _______ do you want to buy?
A. else B. other C. others D. the other
