| http://www.w3.org/ns/prov#value | - Anonymous28 November 2011 at 04:01Very useful videos for those who are learning English as a second language.ReplyDeleteMichael Howells11 December 2011 at 11:00A working knowledge of English has become a requirement in a number of fields, occupations and professions such as medicine and computing; as a consequence over a billion people speak English to at least a basic level (see English language
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