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Fire1 Posted 7 years ago
Grammar
Sure/certain + on/about/of
What is the difference in meaning? and what are correct English?
1. Are you sure/certain of that?
2 Are you sure/certsin about that ?
3. Are you sure/certain on that?
I think only 1 2 are correct English, but I'm not sure whether 3 is really wrong.
Top answer
fire1 I think only 1 2 are correct English, Yes.
- fire1 I think only 1 2 are correct English, Yes.
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