( )May is ______month of the year.
A. fifth B. the fifth C. the seventh
( )Gao Wei gives _______a pen as birthday gift.
A. her B. heC. I
( )My birthday is _______ September.
A. in B. at C. on
( )Tree Planting Day is _______March 12th.
A. in B. on C. of
( )They are talking ______their holidays.
A. to B. with C. about