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  • He knew that to succeed in the job he had, one had to keep his or her nose to the .
Question 1:
He knew that to succeed in the job he had, one had to keep his or her nose to the ....... from the time he or she*^*got to the door until close of business.
A. grindstone
B. face
C. mirror
D. booking

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English Slang Idioms (112) | B2 – Upper-Intermediate