I agree ___ what you said just now.[ ]

What happened ______ you? [ ]

Tell me about Brother Sharp, please. — He was a beggar(乞丐). He became a blue-eyed boy(红人) on the Internet because of his cool appearance and dressing style.

Tom. Mary can’t open the box. can you give ______ a helping hand?

I’m just wondering ___ I first met Tom.