Pregunta 90

I intended to keep the file but deleted it accidentally. I deleted it … mistake.

with
byRespuesta correcta
in
on

Explicación

By mistake is the fixed expression for an unintended action, matching the accidental deletion. With mistake may seem to describe an error, but it is not the standard manner phrase.

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Pregunta 90: I intended to keep the file but deleted it accidentally. I… · English Prepositions · Questena