Ответ:
1. Helen hasn`t got a rat.
2. The boys haven`t got a nice tortoise.
3. Alice and Sue haven`t got cousins.
4. His aunt hasn`t got a cow.
5. They haven`t got an arm-chair in the classroom.
6. Their pearents haven`t got a pig.
7. Margaret hasn`t got a rubber.
8. I haven`t got a grandfather.
Объяснение: