I.单项选择。（15分）
( ) 26. Jay Chou likes playing ______ piano and he also likes playing ______ basketball.
A. the; e B./; / C./; the . D. the; / .
( )27. May is the ______ month of a year. A. fifty. B. fifteen. C. fifth D. five
( ) 28. The children are busy ______ Christmas cards.
A. maker B. making C. makes D.to make
( ) 29. It's 8 o'clock. My brother and I ______.
A. do our homework B. am doing my homework
C. does our homework D. are doing our homework
