My father was _______ Hong Kong. (   )

A．in

B．on

C．at

填空题。
【小题1】My grandma ________(watch) TV every day .
【小题2】Ann often __________ (watch) TV at home. She ________ (watch) again last night.
【小题3】He wears shorts __________ Australia.
【小题4】Danny __________ (buy) three balls.
【小题5】—Swimming is __________ (easy) for me. I can’t swim.

What did you do  the tree? （  ）

A．in

B．on

C．at

It will be sunny _________.(    )

A．at Dalian

B．in Beijing

C．on Chongqing

—When do you arrive ______ school? ( )
—At about 7:00.

A．to

B．in

C．at