He helped _______（he / his）father to cook.

Who is ____principal? (    )

A．my

B．you

C．your

根据句意用单词的正确形式填空。
1. Everyone ______ ( be ) twelve years old.
2. Li Yan’ s father is ______ ( doctor ).
3. ______ ( I ) mother is a teacher.
4. We _____ ( be ) in New Century Primary School.
5. We have seven ______ ( subject ) at school.

用所给词的适当形式填空。
【小题1】Mr Yang is __________（we）teacher. ________（him）is from Beijing. _______（his）teaches __________（our）English.
【小题2】Look, there is a cat. _________（it）is Lily’s. ________（it）names is Mimi.
【小题3】Let__________（I）tell________（she）about ________（he）life at school.
【小题4】This is _________（they）room. Where is _________（our）?
【小题5】Don’t use the ruler. It is __________（me）
【小题6】The lady under the tree is ____________（me）aunt. ________（her）often sings with_________（she）husband.

Read and write:Is this ______ (we) classroom?