A. What game do you play more often?

I often play game is roblox.                                         I often play Roblox.

=> Corrected : The sentence is corrected grammatically. 

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B. 

    1. Be careful!                                                         Watch out!

    2. Help! I can't go.                                                 Help me! I can't come out.

=> Your sentences have correct grammatical structure, but these are the correct usage/ expressions.

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    3. Are you okay? ✔

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