Question

fill in the correct preposition:- I can eat anything ______ fish.

Answer 1

with/ without is the answer for your question......

Answer 2

I can eat anything but fish.

EXPLANATION:

The term 'but' comes under the category of "preposition".  But  can act as adverb, conjuction and also as preposition.

Prepositions are used to link phrases, nouns and pronouns. It is also used to establish meaning to sentences. Prepositions are used preciding pronouns and nouns to establish meaningful sentences.  In case, if the prepostions are mismatched in any sentences, then that sentence will be meaningless.

Some examples of prepositions are on, in, at, behind etc.