( ) —How do we go to the park? —Let's go there bus. A. on B. in C. by
( )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
( )They want _______the city greener. A. to make B. making C. makes