How to add (un)resolved status field to Drupal 6 forum?

I would like to extend my Drupal 6 forum to easily see which questions have been resolved and which are still un开发者_如何学JAVAresolved. I thought the best way would be to add a status field, but I can not find a way to add this.

What is the best way to easily mark forum topics in Drupal as resolved?

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Try the Flag module. It will allow you to designate arbitrary "flags" to be associated with a post. It's super flexible.