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 副 以前 Many years ago,there was a fairy in the forest.許多年以前,森林里住著一位仙女?!馻go 是副詞,常用一段時(shí)間加ago表示“從現(xiàn)在算起的一段時(shí)間以前”。如:The man was killed nine hours ago.此人是九個(gè)小時(shí)以前遇害的。before 常作介詞,也表示“......(本文共 386 字) [閱讀本文] >>