Помогите пожалуйста, плиз!!!Поставьте глаголы, данные в скобках, в Past Indefinite или

Помогите пожалуйста, плиз!!!
Поставьте глаголы, данные в скобках, в Past Indefinite либо Past Continuous:
1. What ______ (eat) when you ______ (go) to Paris?
2. While I ______ (negotiate) the contract, my boss ______ (phone) me to say that he wanted completely different conditions.
3. The last time something like this ______ (happen), she ______ (call) a press conference immediately.
4. Anne ______ (explain) her proposal when Pedro ______ (interrupt) her.
5. We never got the chance to interview him. While we ______ (investigate) the incident, he ______ (resign).
6. When he ______ (finish) reading the article, he ______ (give) it to me.
7. Everyone ______ (wait) for the meeting to begin when he ______ (call) to say that he was stuck in a traffic jam.
8. When I ______ (clean) the piece I ______ (drop) it by mistake.
9. I ______ (find) the missing file while I ______ (look) for some other documents.
10. When Tim ______ (arrive), we ______ (tell) him what had happened.