We can learn about the history _______ China. (   )

A．in

B．of

C．on

选词填空。
in  on   at   to   of
【小题1】My father works ____ Beijing Hospital .
【小题2】Lucy works ____ CCTV .
【小题3】Look , That is my sister , She is _____ TV.
【小题4】Tom works ____ the Bank of China.
【小题5】I want _____ be an actress .
【小题6】My daughter studies ____ Sunny School .
【小题7】Nice _____ see you again .

What’s _____ (在……里面) it? (    )

A．on

B．over

C．in

D．at

选词填空。
of, in, about, into, to 
1. We flew ________ the earth in it.
2. Mr Yang flew ________ space in shenzhou V.
3. We are proud _________ him.
4. He tells us _________ his space travel.
5. Mr Yang made a video _______ space.

This video is _________ space travel. （   ）

A．on

B．about

C．for