http://esl.about.com/od/engilshvocabulary/English_Vocabulary_Builder_Beginning_Intermediate_and_Advanced.htm
English Vocabulary Builder - Beginning, Intermediate and Advanced
English Vocabulary Building help for ESL EFL students, classes and teachers including learning lists, professional English, slang, jargon with quizzes, worksheets and lesson plans.
How Many Languages Are There in the World?
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How many languages are there? Today, there are over 7,000 active languages
around the world. But in all of history, linguists think people have spoken
so...
4 hours ago
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