Brian: Hello, Steve. I haven't seen you for ages. What are you doing (you/do) these days? I am training to be a shop manager.
Steve: I (2) am not working at the moment, but I'm very busy.
Brian: Really? (3) Do you enjoy it?
Steve: Yes, it's quite interesting. How about you?
Brian: Well, I (4) am building a house. I (5) am building.
Steve: Really? (6) Are you doing it alone?
Brian: No, some friends of mine (7) are helping me.
Ответ: 1. are, 2. am not working, 3. Do you enjoy, 4. am building, 5. am building, 6. Are you doing, 7. are helping.