http://www.english-test.net/toefl/

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http://esl.about.com/cs/toefl/a/a_toefl_2.htm

http://www.learn4good.com/languages/spec_english_toefl.htm

http://www.graduateshotline.com/sampletoefl.html

http://www.testmagic.com/classes/TOEFL/Practice_structure_01.htm