Relative Pronouns - 9º ano

http://esl.fis.edu/grammar/multi/relative2.htm

http://grammar.ccc.commnet.edu/grammar/quizzes/which_quiz.htm

http://speakspeak.com/english-grammar-exercises/intermediate/relative-pronouns-who-which-that-whose-when-where
http://www.english-4u.de/relative_pronouns_ex1.htm

http://www.englisch-hilfen.de/en/exercises/pronouns/relative_pronouns.htm

http://www.ego4u.com/en/cram-up/grammar/relative-clauses/exercises?02

http://www.english-test.net/esl/learn/english/grammar/ei039/esl-test.php