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    Question

    Each sentence has one blank. Choose the most

    appropriate word to make the sentence grammatically and contextually correct. Proper training is ______ for employees dealing directly with customers.
    A indispensable Correct Answer Incorrect Answer
    B beneficial Correct Answer Incorrect Answer
    C preferable Correct Answer Incorrect Answer
    D advisable Correct Answer Incorrect Answer
    E None Correct Answer Incorrect Answer

    Solution

    indispensable = absolutely necessary  others mean helpful but optional

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