Question

    Select the most appropriate option to substitute the

    underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. Unless she doesn’t study French carefully, she cannot get the highest marks in the class.
    A No substitution required Correct Answer Incorrect Answer
    B Unless she is not studying Correct Answer Incorrect Answer
    C If she studies Correct Answer Incorrect Answer
    D Unless she studies Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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