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Which is right- Refresh your knowledge about/on/ of vegatables which preposition is more suitable here?

Answers · 3

3
Please disregard my previous answer (I hadn't seen your third choice). The correct preposition is "OF" — refresh your knowledge of vegetables.
0
All three are correct and natural, but 'of' is the best and 'on' the worst (in terms of how often native speakers would use them).
0
Of the two, I would use "about", but it would be better to actually use "of": refresh your knowledge of vegetables.

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