Question

    Select the most appropriate idiom to fill in the

    blank. “You need to ______ for quality control,” the marketing head told the manufacturing department.
    A raise the bar Correct Answer Incorrect Answer
    B be over the moon Correct Answer Incorrect Answer
    C go back to square one Correct Answer Incorrect Answer
    D rock the boat Correct Answer Incorrect Answer

    Solution

    Be over the moon idioms means to be very pleased, go back to square one is a phrase that mean go back to the begning after failure,rock the boat means that you do something that might upset people or cause problem.now raise the bar is a idiom that describe to set high standred . so the appropriate idiom is raise the bar.

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