TestMagic.com is one of the most popular TOEFL web sites in the world, and there are lots of other sites that have TOEFL practice, but you have to pay for many of them.
If you do a search on Google.com, you'll find other ones.
Have you seen the Official TOEFL site at www.toefl.org?
Hope that helps!
Please post further questions here.
Please search this newsgroup for FAQs & search TestMagic.com from the bottom of every page.
San Francisco, CA USA