The _______ name is Bin-go. (   )

A．bird

B．his

C．dog’s

______Day is our favourite day. （   ）

A．Children

B．Children’s

C．Childs’

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.

________ dog is clever. （   ）

A．Simon

B．Simons

C．Simon's

Can you see that girl? She’s_________. (  )

A．my mother friend	B．friends of my mother
C．a friend to my	D．a friend of my mother’s