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contestada

Which group of words is an example of an idiom?

wipe your face

when pigs fly

run fast

the first day of school

Respuesta :

An idiom is a phrase or expression that typically presents a figurative, non-literal meaning attached to the phrase

So the answer should be
2.) when pigs fly

It describes something that is very unlikely or impossible to happen.

Answer:when pigs fly

Explanation: