Ответ:
1) I have got an aunt and three cousins. I have no uncle.
2) There are two books on the table. The first book is a detective story, the second is a historical novel.
3) Bob has got a sister, but he has no brothers.
4) That girl is my cousin.
5) This is a mobile phone. The mobile phone is new. This is my father’s mobile phone.
6) I don’t know his friend.
7) There is no letter on the desk. But there are three letters on the coffee table.
8) I don’t think his answer was correct.