用动词的适当形式填空.1、I ____(be) a student now.2、You ____(be) a worke

用动词的适当形式填空.
1、I ____(be) a student now.
2、You ____(be) a worker last year.
3、He ____(be) an old man.
4、____(be) you a pupil?
Yes,I ____(be).
5、She ____(be) at home yesterday.
But she ____(be) at school.
6、____(be) you in the library just now?
No,I ____(be).I ____(be) at the market.