找出下列句中的错误并改正。
1. He is tell a story.
______________________________
2. He is playing a guitar.
______________________________
3. I is singing a song.
______________________________
4. My mother is wash the clothes.
______________________________

Where ______ our clothes? （   ）

A．is

B．are

C．there are

用所给词的正确形式填空。
【小题1】In this picture, Nancy _________ (be) 11 years old, and now she _________ (be) 21 years old.
【小题2】When I was young, I _________(like) to play basketball.
【小题3】I _________ (have) some bread and milk for breakfast yesterday.
【小题4】Little Justin _________(meet) a fish in the river last week.
【小题5】—Are you my mum? —No, your mum can _________ (catch) flies, but I can’t.

________ you doing your homework.?

A．Is

B．Are

C．Am

This  _________my friend, Ann. She _________from America.    (   )

A．is; am

B．is; is

C．am; is