I have to fill in the gap with a suitable conjunction.

1.I refuse to go _________ you come with me.

To me, many conjunctions are possible here as "if", "till" , "unless" .

Which would be correct one?
Unless sounds the best..
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All your conjunctions will work grammatically! So which one is chosen depends on the situation here. If there's no situation, "unless" sounds best! Emotion: wink

the correct one is unless