Сделать следующие предложения вопросительными. I have a lot work to do. My mother is an interpreter. They have a flat.

1. I have a lot work to do. - Do you have much work to do? 2. My mother is an interpreter. - Is my mother an interpreter? 3. They have a flat. - Do they have a flat? 4. You are in the sitting-room. - Are you in the sitting-room? 5. My sister has a nice cat. - Does my sister have a nice cat?