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    Question

    An eye examination is called for (1)/once a year to

    ensure that (2)/diabetes have not resulted in retinopathy, (3)/which could lead to blindness (4). Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the error as your answer. If there is no error, mark ‘No error’ as your answer (Ignore the errors of punctuation, if any).
    A 1 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer
    E No error Correct Answer Incorrect Answer

    Solution

    Noncount nouns take a singular verb. An eye examination is called for once a year to ensure that diabetes has not resulted in retinopathy, which could lead to blindness.

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