I.单项选择, 从A B C 中选出最佳答案。（每小题1分，共计20分）
( ) 1. There is _____ “u” in the word “computer”.
A. a B. an C. the D. /
( ) 2. Kate with her parents often __________ to a movie on weekends.
A. go B. goes C. going D. to go
( ) 3. John is my son, but I’m not his father. I’m his ______.
A. uncle B. mother C. brother D. aunt
( ) 4. Thanks for ________ me.
A. help B. helps C. to help D. helping
