It isn't ______, Tom. It's ______.（   ）

A．you, mine

B．yours, my

C．yours, mine

选词填空，补全句子。
yours hers ours mine
【小题1】This is your eraser, where is __________ ?
【小题2】Your classroom is clean, __________ is clean, too.
【小题3】------ Is this Sarah’s new bike?
------ No, __________ is yellow.
【小题4】My pencil-box is too small. What about __________ ?

对方问这条裙子是谁的，如果是你的，你应回答：(  )

A．It’s mine.

B．It’s yours.

C．It’s not mine.

They are hats. （  ）

A．our

B．we

C．you

The shirt is ______.（   ）

A．hers

B．her

C．she