Вставьте глагол to be в нужной форме и перевидите предложения: 1)my mum a very nice. 2)whose books on the shelf? 3) the students in your group good? 4) i from the c.p.d. company. 5)they my mother iren,my father victor, my sister ann.

1)My mum IS  very nice.
2)Whose books ARE on the shelf?
3) ARE the students in your group good?
4) I AM from the C.P.D. Company.
5)They ARE my mother Iren,my father Victor, my sister Ann.

1) is
2)are
3)are
4)am
5)are