Homework
WB pp. 58-59, from Argus 7A Grammar.
Choose the correct option, then press "Check" to check your answers at the site:
http://youronlinenglishclass.com.pt/Quiz/present_perfect_forandsince.htm
Study link: http://elt.oup.com/student/englishfile/preint/;jsessionid=EE6763DBFDCFF76990A4F163BBBEC642?cc=global&selLanguage=en
Study link: http://elt.oup.com/student/englishfile/preint/;jsessionid=EE6763DBFDCFF76990A4F163BBBEC642?cc=global&selLanguage=en