Common Grammar Mistake: “Mobiles in class” or “Mobiles in the class”? | Correct Preposition Usage

In this short, you complete the sentence “You are not allowed to have mobile phones ___ class.” The correct preposition here is “in” (in class), not “at / on / to.”
Rule याद रखें: जब हम किसी activity के दौरान जगह की बात करते हैं—जैसे “in class,” “in school,” “in a meeting”—तो आम तौर पर in + activity/place use करते हैं; “at class/to class” natural English नहीं है.

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