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.

We ______ in Grade Four now. (   )

A．is

B．am

C．are

—  he Joe？  (  )
—Yes，he is.

A．Is

B．Are

选出不同类的一项。

Li Hong ______ see a film next Sunday. (  )

A．be going to

B．is going to

C．is going