segunda-feira, 20 de agosto de 2012

B4 - Verb Tenses and Question Words -unit 9

http://elt.oup.com/student/headway/preintermediate/a_grammar/unit01/hwy_preint_unit01_1?cc=br&selLanguage=pt


http://elt.oup.com/student/headway/preintermediate/a_grammar/unit01/hwy_preint_unit01_2?cc=br&selLanguage=pt

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