________ coat is nice. (    )

A．Kim's

B．Kim

C．Kim'

This is ______ book. （   ）

A．my teachers

B．my teacher’s

C．my teachers’

Yesterday I went to ______ school.

A．Sam’s and Jim’s

B．Sam and Jim

C．Sam and Jim’s

These dogs are my______. （  ）

A．mother

B．mother’s

C．father

句子改错
1. It’s a American holiday.
_____________________________________
2. We also invite friends to join to us.
_____________________________________
3. Do you go to bed late last night?
_____________________________________
4. Today is Teacher’s Day.
_____________________________________
5. Mothers’ Day is coming.
_____________________________________