Ответ:
1. He is a boy. His name is Bill.
2.She is a girl. Her name is Mary.
3.We have got a cat. Our cat is grey.
4.What is your name? - My name is Tom.
5. Her name is Helen. She is nine.
6. I have got a dog. Its name is Rex.
7. Mike has got friends. Their names are Ben and Bob.
8. Vanya and Sasha are pupils. They are clever.
9. How old are you? - I am ten.
10.I and Billy play in the park. We are happy.