Here are some past tests. There are many great questions here to help you as you practice.
Language 1 Scoring Guide Reading 2006 Part 1
Language 1 Scoring Guide Reading 2006 Part 2
Language 1 Scoring Guide Reading 2007
Language 1 Scoring Guide Reading 2008
Language 1 Scoring Guide Reading 2009
Language 1 Scoring Guide Reading 2010
Language 1 Scoring Guide Reading 2011
Language 1 Scoring Guide Writing 2006 Part 1
Language 1 Scoring Guide Writing 2006 Part 2
Language 1 Scoring Guide Writing 2006 Part 3
Language 1 Scoring Guide Writing 2007
Language 1 Scoring Guide Writing 2008
Language 1 Scoring Guide Writing 2009
Language 1 Scoring Guide Writing 2010
Language 1 Scoring Guide Writing 2011
Language 2 Scoring Guide Reading 2006
Language 2 Scoring Guide Reading 2007
Language 2 Scoring Guide Reading 2008
Language 2 Scoring Guide Reading 2009
Language 2 Scoring Guide Reading 2010
Language 2 Scoring Guide Reading 2011
Language 2 Scoring Guide Writing 2006
Language 2 Scoring Guide Writing 2007
Language 2 Scoring Guide Writing 2008
Language 2 Scoring Guide Writing 2009
Language 2 Scoring Guide Writing 2010
Language 2 Scoring Guide Writing 2011
Math Scoring Guide 2006 Part 1
Math Scoring Guide 2006 Part 2
Math Scoring Guide 2007 Part 1