Multiple choice general knowledge

Please' and 'Thank you' are the little courtesies by which we keep the ...... of life oiled and running smoothly.

  1. path

  2. garden

  3. machine

  4. river
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This metaphor extends 'life is a machine' where courtesies are the oil that prevents friction and keeps things running smoothly. The contextual consistency with 'oiled' and 'running smoothly' makes 'machine' the only coherent choice among the options.

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