Данные предложение в отрицательно форме и ответы на них. Our flat is big. He is my friend. They are from Moscow. I am nine. The cats are black. Vera is in London.

Our flat isn't big (it's very small);

He isn't my friend (he's my brother);

They aren't from Moscow (they are from Portugal);

I'm not nine (I'm eleven);

The cats aren't black (they are brown);

Vera isn't in London (she is in Turkey).

В скобках - ответы.