Internatiaonal Workers’ Day is _____ May 1st. (   )

A．in

B．on

C．at

Labour Day，or May Day， is _____ May 1^st. ( )

A．on

B．in

C．at

We often sing and dance___Children’s Day. ( )

A．from

B．on

C．in

The children like to fly a kite ______ windy days. （   ）

A．at

B．on

C．in

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.