which sentence must be revised to eliminate the preposition at the end?\nthe museum had the throne where the…

which sentence must be revised to eliminate the preposition at the end?\nthe museum had the throne where the king sat on\nthis is the beach umbrella we will be sitting under\ni missed class, so i asked the teacher what we talked about\nthe concert starts at two, so i told him to meet me before
Answer
Answer:
A. The museum had the throne where the king sat on
Brief Explanations:
In the sentence "The museum had the throne where the king sat on", the preposition "on" at the end is incorrect because "where" already implies a location, and "sat on" is redundant and ungrammatical here. The other sentences either have prepositions at the end that are grammatically acceptable (like "under" in "sitting under", "about" in "talked about") or "before" in the last sentence is an adverb (not a preposition at the end in a problematic way as it's not followed by an object). So the first sentence must be revised to eliminate the preposition at the end.