This article is so helpful in preparing for TOEFL:
The Speaking Section takes approximately 20 minutes and includes 6 tasks. The first 2 tasks are independent speaking tasks. The remaining 4 tasks are integrated tasks. You can take notes and use those notes when responding. I STRONGLY RECOMMEND YOU TO TAKE NOTES!
Read more: http://toefl-speaking.com/how-to-prepare-for-toefl-speaking-overview/
Read this related article as well: http://toefltips.wordpress.com/2008/03/16/toefl-speaking-%E2%80%93-free-choice-questions/
Donny Idaho 