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 ....stude...

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