Question

    Grid failure brings five hundred trains to a halt.

    A Five hundred trains are being brought to a halt by grid failure. Correct Answer Incorrect Answer
    B Five hundred trains are brought to a halt by grid failure. Correct Answer Incorrect Answer
    C Five hundred trains were brought to a halt by grid failure. Correct Answer Incorrect Answer
    D Five hundred trains had been brought to a halt by grid failure. Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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