Ответ:

  1. A: What are you going to do next summer? B: I am going to visit my cousin in Australia.
  2. A: Is she going to stay in a hotel? B: No, she isn’t going to stay.
  3. A: Are Liz and Rob going to climb mountains in Switzerland? B: Yes, they are going to climb.
  4. A: We aren’t going to go on holiday this year. B: Oh, what a pity!