1. How long (did you stay in Paris when you were in France?
2. My grandmother (was) my best friend. I was really upset when she died last year.
3. We haven't eaten anything (for) a long time.
4. I think Ann really like Simon. She (has chatted) to him online quite a lot recently.
5. They've been living here (since) last Christmas.
6. (I've been trying) to contact him all week but he's always out.