How to Prepare for the TOEFL Test
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Reviews the material covered in each section of the TOEFL, and provides eight full-length model tests.
Oxford English Dictionary, 2nd Edition
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The Oxford English Dictionary (OED) is widely regarded as the accepted authority on the English language. It is an unsurpassed guide to the meaning, history, and pronunciation of 600,000 words— past and present—from across the English-speaking world.