'Please' and 'thank you' are the little courtesies by which we keep the . . . . . . . . life oiled and running smoothly.
A. river
B. garden
C. path
D. machine
Answer: Option D
Solution (By Examveda Team)
'Please' and 'thank you' are the little courtesies by which we keep the machine life oiled and running smoothly.This Question Belongs to Competitive English >> Sentence Completion
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