0Hi,02br 02br 01font 00Good luck on your exams? 02font 00OK. 02br 02br 01font 00Good luck with your experiments?
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Anonymousgood luck on physicsIt seems wrong because 'physics' isn't an action or activity. You could have, however, "Good luck on your physics exams".
Do you say "good luck in your biology test"or "good luck on your biology test"?