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    Learn English > English lessons and exercises > English test #23162: What about diamonds ?
    > Other English exercises on the same topic: Nature [Change theme]
    > Similar tests: - In the sea - Animals and pictures - Fruit-trees - In the garden-vocabulary - Flowers - Vocabulary: Sea animals - Vocabulary, The sun: a friend or an enemy - Vocabulary: Animal sounds/cries
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    What about diamonds ?

    Each sentence is followed by three choices which could be used to complete the sentence. Decide which of these choices is the correct choice to complete the sentence, and click on the correct answer.

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    English exercise "What about diamonds ?" created by sidou77 with The test builder. [More lessons & exercises from sidou77]
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    1. Diamond is the hardest known to man.

    2. Diamonds come in many colours but clear diamonds, known as white diamonds, are valuable.

    3. They are made a mineral form of carbon.

    4. One of the main of diamonds is South Africa.

    5. Before of diamonds in Africa, the only location in which they had been found was India.

    6. As diamond is so hard, it is often used cutting.

    7. The word diamond from the Greek word 'adamas' which means invincible.

    8. The largest diamond was found in a mine in South Africa 1905.

    9. However, diamonds have to be cut to the crystal forms that we know.

    10. The Crown Jewels in London some of the largest and most valuable cut diamonds in the world.

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