I．单项选择。（每小题1分，计15分）
( )1. This is _________ alarm clock. A. a B. an C. the D. /
( )2. We don’t like_________. A. broccoli B. broccolis C. a broccoli D. broccolies
( )3. _________. Is this your pen? A. Sorry B. Hello C. Excuse me D. Hi
( )4. Do you have two ________?
A. tennis racket B. tennis rackets C. tennis’ racket D. tennis’ rackets
( )5. He _________ his homework at school.
A. doesn’t do B. don’t does C. isn’t do D. does not
( )6. ________this your guitar? A. Am B. Is C. Are D. Do
( ) 7. Let’s _________ now. A. go to home B. to go home C. go home D. to go to
( ) 8. How much are these shoes? _________ twenty dollars.A. Are B. There C. They’re D. Their
