Q395
'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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
'Please' and 'thank you' are the little courtesies by which we keep the machine life oiled and running smoothly.