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.

This is ______ kite. （   ）

A．Mike

B．he

C．Mike’s

This is ________ story.(  )

A．Li Ming

B．Li Ming’s

C．Li Mings’

This is __________ box. (    )

A．Kitty

B．Kitty is

C．Kitty’s

用所给单词的正确形式填空。
1. ________ (who) pencil is this?
2. There ________ (be) eight books on my desk.
3. ________ (this) are blackboards.
4. That is ________ (Danny) pencil box.
5. Is this ________ (you) toy bus?