поставить глагол to be в правильной форме
1) they....at home now....they at home now
2)He..a doctor...he a doctor?
3)they..not students .They.. ... ... your teachers
4)He ...twenty
5)we...in london now
6)my friends ....students
7)the desks....old
8)the film....new
9)she...a secretary
10)george and john ... ... ... engineers