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The time is running out,you must $look \, sharp$.

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He $passed\, himself\, off$ as a noble man.

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He visits the doctor $off\, and \,on$.

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There was no opposition to the new policy by the $rank\, and\, file$ of the Government.

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Although he has failed in the written examination,he is using $backstairs\, influence$ to get the job.

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Govind has left his country $for\, good$.