根据提示完成句子。
1. There are ________________ (20把椅子) in the classroom. 
2. The pencil box is ________ the desk. (在···上)
3. Steven is drawing on the ________.
4. ________ name is Li Ming. ________ is a boy.
5. —How many ________ are there? (55支铅笔)
—There are ________.

Who is ____principal? (    )

A．my

B．you

C．your

用所给词的正确形式填空。
【小题1】Listen! Someone ______ (sing) in the music room.
【小题2】Why ______ (do) they like running?
【小题3】He ______ (not like) playing basketball. He ______ (like) playing tennis.
【小题4】She sometimes ______ (go) to school on foot.
【小题5】My hobby is skating. Is skating ______ (you) hobby?
【小题6】I often help my mum ______ (clean) the windows on Sundays.

改错。
【小题1】Mr Green liveson Moonlight Town too.  （_____） ___________
A B  C
【小题2】Her’s mother is a doctor. She goes to work by car.  （_____） ___________
A     B C
【小题3】They has a good timeat the party.  （_____） ___________
A B  C
【小题4】The boy likesride his bike in the park.  （_____） ___________
A   B C
【小题5】Do you come to school by foot every day?  （_____） ___________
A B C
【小题6】Where doesMiss Lilive in?  （_____） ___________
A   B C

Read and choose the wrong words:I'm you first fan.（_____）