Hello , Which one is correct?
1. What grade are you in?
or
2. Which grade are you in?
Both correct? Both mean the same?
In everyday English both are used, and they mean the same. Formally, (2) is better; this is because the choice is from a defined set of things. g.
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In everyday English both are used, and they mean the same. Formally, (2) is better; this is because the choice is from a defined set of things. Contrast e.g. "What explanation could there be?", where the choice of potential explanations is open-ended.