Identify the correct preposition to use in this expression.

Jeannette and her sister bumped into each other by accident—neither one of them was ______ fault.
Choose 1 answer:

(Choice A)
by

(Choice B)
in

(Choice C)
at

"at fault" is the common phrase

I had a Chinese friend who owned a booklet of about 100 pages, which was about nothing but prepositions in English. Good luck!

The correct preposition to use in this expression is "at." Therefore, the answer is (Choice C) "at."

To determine the correct preposition to use in the given expression, you need to understand the context and meaning of the sentence. In this case, the sentence states that Jeannette and her sister bumped into each other by accident. This implies that the collision between them was unintentional and not deliberate.

Given that the collision was accidental and neither Jeannette nor her sister was at fault, the correct preposition to use in this case is "at."

Therefore, the correct answer is Choice C: at.