It is a __________.(  )

A．sheeps

B．cats

C．cat

I have a good ______. (  )

A．work

B．job

C．works

Are there many ______ in your class? (  )

A．children

B．child

C．childs

Read and write（用所给词的适当形式填空）
【小题1】—Can you ______?   —Yes, I like ______ .（swim）
【小题2】—Is this student ______?  —Yes. ______ shirt is new.（Danny）
【小题3】— How many ______ are there in the room?
— There is only one ______ .（child）
【小题4】— Where does she ______? — She ______ near our school.（live）
【小题5】Supergirl ______ a good friend, Superdog. They ______ a good time in the park.（have）

词性转换。
【小题1】hippo(复数) ___________
【小题2】fish(复数) ___________
【小题3】ostrich(复数) ___________
【小题4】butterfly(复数) __________
【小题5】heavy(比较级) _________
【小题6】carefully(动词) __________