选择填空：
（ ）1.-- When is Tree Planting Day?
--It’s ___________ March.
A. at
B. in
C. on
D. of
（ ）2. ___________ is the first month of a year.
A. February
B. December
C. October
D. January
（ ）3. ___________ is Children's Day?
A. When
B. What
C. Which
D. Why
（ ） 4. ——What's the date?
——__________________.
A. In July
B. April 4th
C. March
D. 9th
（ ）5. ——Is your birthday in June?
——__________________.
A. Yes, it is.
B. Yes, it isn't.
C. No, it isn't.
D. No, it is.
（ ） 6. ——How old are you?
—— I'm ______________.
A. first
B. twelve
C. second
D. fifth
（ ）7. ——When is your birthday?
——It's in ____________.
A. third
B. January
C. 20th
D. 8:30
（ ）8.When _______ your birthday?
A. am
B. is
C. are
D. be
（ ）9.My birthday is in July. Aunt Mary's birthday is in July,_________.
A. either
B. to
C. too
D. two
（ ）10.——When is National Day?
——____________________.
A. It's September 10th.
B. It's March 12th.
C. It's December 25th.
D. It's October 1st.
（ ）11. My birthday is ___________ May.
A. at
B. in
C. on
D. of
（ ） 12. I often play ping-pong ________ my friend.
A. for
B. in
C. on
D. with