Paraphrasing exercise

Hello, I'd be very grateful if you spent some of your precious time on checking my answers to the following exercise:

1. The doctor advised Charlie against taking a holiday in a tropical country.
- The doctor's advice for Charlie was not to take a holiday in a tropical country.
2. The students regretted that they had missed this interesting lecture on Dickens.
- The students regretted not having attended this interesting lecture on Dickens.
3. If you missed the programme, you can't really judge.
- Unless you watched the programme, you can't really judge.
4. Charlie moved to Lyck twenty years ago.
- It is twenty years since he moved to Lyck.
5. It was more of an argument than a discussion.
-It was not so much of a discussion than an argument.
6. I write to my mother almost every day.
-Hardly is there a day when I don't write to my mother.
7. My aunt's generosity enabled us to go on a cruise.
- Thanks to my aunt's generosity we were able to go on a cruise.
8. Immediately after Charlie's departure, the police came.
- Charlie departed no sooner than the police came.
9. It's nobody's fault that the meeting was cancelled.
- Nobody if to blame for the cancelled meeting.

Thank you.