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The language centre offers courses of various levels, such as elementary, intermediate and ______.

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I could hear voices but I couldn’t ______ what they were saying

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Due to ever more spreading poaching, there ______ a dramatic decline in the number of elephants over the last decade 

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You can use my car ______ you drive carefully

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. He's sometimes bad-tempered but he's a good fellow ______.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

These exercises look easy, but they are very relatively  difficult for us

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A large number of workmen ______ because of the economic recession

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Communities in remote areas are extremely _____ to famine if crops fail