Choose the best answer （选择填空）
（ ）1. I have ________ orange.
A. a
B. an
C. two
（ ）2. It is ____big apple.
A. a
B. an
C. /
（ ）3. Clean _____ table, please.
A. a
B. an
C. the
（ ）4. Is this a classroom? ___________
A. Yes , this is.
B. No, it is.
C. No, it isn’t.
（ ）5. It is ________ school.
A. I
B. my
C. me
（ ）6. What __________ ?
A. it is
B. is it
C. is
（ ）7. Three _______, please.
A. cake
B. cakes
C. cakes
（ ）8. ______ is the library? It is here.
A. Who
B. Where
C. How
（ ）9. Is this my ruler? Yes, it’s ____ rubber.
A. my
B. your
C. you
（ ）10. _________ classroom is big and clean.
A. A
B. An
C. The