Ответ:

  1. Have you got a phone? — Yes, I have.
  2. Has he got a bike? — No, he hasn’t.
  3. Have they got a dog? — Yes, they have.
  4. Has she got a computer? — No, she hasn’t.
  5. Have you got blue eyes? — Yes, I have.

Правило: с I/you/we/they употребляется have got, а с he/she/it — has got.