Question
Obviously, we could sit here and talk until we're dull
in the face about how wonderfully they play the game. In each question below, a sentence is given with an idiom/phrase printed in bold type. That part may contain a grammatical error. Each sentence is followed by four alternatives. Find out which option should replace the phrase/idiom given in bold to correct the error, if there is any, and to make the sentence grammatically meaningful and correct. If the sentence is correct as it is and ‘No correction is required’, mark 5) as the answer.Solution
The correct expression is ‘until you are blue in the face’. If you say or shout something until you are blue in the face, you are wasting your efforts because you will get no results. Obviously, we could sit here and talk until we're blue in the face about how wonderfully they play the game.
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