http://elt.oup.com/student/headway/beginner/b_vocabulary/vocabularyunit04/hwy_begin_unit04_2?cc=global&selLanguage=en
http://elt.oup.com/student/headway/beginner/b_vocabulary/vocabularyunit05/hwy_begin_unit05_2?cc=global&selLanguage=en ( odd one out)
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