They arrive ______ Shanghai ______ ten o’clock. ( )

A．to; at

B．at; in

C．in; at

I live ________ England ________ my parents.  (　　)

A．on; in

B．at; with

C．in; with

We dance____ the playground. (   )

A．of

B．on

C．at

Read and fill with words（读一读，填单词）
-How _____ are you?
-I'm nine _____ old.
- Which class are you _____?
- I'm in Class Two.

读一读，选择正确的单词填空。
【小题1】Welcome ___________(to/in) our school.
【小题2】Our library is __________(on/in) the first floor.
【小题3】This is the __________(teachers/teachers' ) office.
【小题4】—How many _________(student/students) are there in your class? —Forty-two.
【小题5】—_________(Is/Are) that the computer room? —No, it isn't.
【小题6】—_________(Are/Do) you have a computer room?  —Yes, we do.