Unit20LanguagepointsandWords新课标课件
日期：2010-03-24 03:53
U20 Language points and Words
2date back to:to have lasted since (the date of building or origin)=date from始自某时期，建于(无被动语态)
Our school dates back to 1953
Our friendship dates from childhood
out of date过时的;旧式的
up to date时新的;新式的
3Buried with hi，
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