6.
1. We haven't got any sandwiches.
2. There's some fruit in the box.
3. Have you got any biscuits?
4. I'm going to buy some butter.
5. I think we've got some coke.
7.
Anna: Are you going to go to Jack's party on Saturday?
Barbara: Yes, I think so. My brother and his band are going to play and I want to hear them. What are you going to wear?
Anna: Well, I'm going to buy a new dress on Friday.
Barbara: What are you going to do on Sunday?
Anna: I'm going to help my Mum with the clothing. After that, she's going to visit my grandmother.