Объяснение:
6. Mum was making pizza for lunch when she realised that she has not any cheese. We had sandwiches instead!
7. I thinking of cooking chicken on Sunday. What do you think?
8. Bill was not a chef, but he worked at a restaurant in town at the moment.
9. Pete and Lucy spent last weekend with us.
10. Were the children enjoying the party on Saturday?
11. Sam has eight sisters! I have only got one.
12. Carrie was go to the doctor's yesterday and he told her about the importance of a well-balanced diet.
В 11 (во втором предложении) не уверен.
