Ⅰ. 单项选择（30分）
( )1. Kate is in the classroom. She ______ a letter to her friend.
A. is writeing B. will write
C. writes D. is writing
( )2. He likes singing, ______ he doesn’t sing well.
A. and B. but C. so D. or
( )3. —Is the English book Simon’s?
—No, it ______ Simon’s. His book is in my hand.
A. can B. can’t be
C. may not be D. might be
