What you wear hot days? (    )

A．do, in

B．are, on

C．do, on

Children 's Day is  June1^st. (   )

A．in

B．at

C．on

填空题。
【小题1】My father is working on the computer, but my brother starts to __________ (cry).
【小题2】"Come in, please!" I say. My friend Lucy __________ (come) in.
【小题3】We go to school __________ half past seven.
【小题4】My father __________ (watch) TV every day.
【小题5】Amy often __________ (buy) a card for her teacher on Teachers' Day.

I go to school ________8:30.

A．to

B．in

C．at

We always go swimming _____ Friday. (   )

A．at

B．on

C．in