FreeOnlineEnglishLearning:StudyEnglishwithQuizzes,Tests,CrosswordPuzzles,ExercisesandotheractivitiesforstudentsofEnglishasasecondlanguage.

更新时间：2024-03-21 直链：a4esl.org

AfreestudysiteforEnglishasaSecondLanguage(ESL)studentswithgames,quizzes,puzzles,MP3fileswithtranscripts,listeningpractice,pronunciationpractive,etc.

更新时间：2024-03-21 直链：www.manythings.org

Themuch-anticipatedFifthEditionofTheAmericanHeritageDictionaryoftheEnglishLanguageisthepremierresourceaboutwordsforpeoplewhoseektoknowmoreandfindfreshperspectives.Exhaustivelyresearchedandthoroughlyrevised,theFifthEditioncontains10,000newwordsandsenses,over4,000dazzlingnewfull-colorimages,andauthoritative,up-to-dateguidanceonusagefromthecelebratedAmericanHeritageUsagePanel.

更新时间：2024-03-21 直链：www.ahdictionary.com