![Imagen](/uploads/1/3/4/2/13427126/8228806.jpg)
LISTENING COMPREHENSION
http://www.ompersonal.com.ar/omlisten2/articles/hamburger.htm
http://www.ompersonal.com.ar/omlisten2/intermediate/unit01.htm
http://www.ompersonal.com.ar/omlisten2/articles/weekend.htm
http://www.ompersonal.com.ar/omlisten2/elementary/unit5.htm
http://www.ompersonal.com.ar/omlisten2/intermediate/unit04.htm
http://www.ompersonal.com.ar/omlisten/contenidotematico.htm
http://www.usingenglish.com/quizzes/228.html Past Simpe / Present Perfect
http://www.usingenglish.com/quizzes/290.html Present Perfect
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1 Simple Past / Present Perfect
http://www.ego4u.com/en/cram-up/tests/present-perfect-simple-1 Present Perfect
http://www.usingenglish.com/quizzes/50.html THE
http://esl.about.com/library/quiz/bl_articles1.htm (A, AN, THE)
http://www.ompersonal.com.ar/omlisten2/articles/hamburger.htm
http://www.ompersonal.com.ar/omlisten2/intermediate/unit01.htm
http://www.ompersonal.com.ar/omlisten2/articles/weekend.htm
http://www.ompersonal.com.ar/omlisten2/elementary/unit5.htm
http://www.ompersonal.com.ar/omlisten2/intermediate/unit04.htm
http://www.ompersonal.com.ar/omlisten/contenidotematico.htm
http://www.usingenglish.com/quizzes/228.html Past Simpe / Present Perfect
http://www.usingenglish.com/quizzes/290.html Present Perfect
http://www.ego4u.com/en/cram-up/grammar/simpas-preper/tests?test1 Simple Past / Present Perfect
http://www.ego4u.com/en/cram-up/tests/present-perfect-simple-1 Present Perfect
http://www.usingenglish.com/quizzes/50.html THE
http://esl.about.com/library/quiz/bl_articles1.htm (A, AN, THE)
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