摘要：-- Why not swim in this river? -Oh, no. Mum told me here. It's dangerous. A. will swim B. to swim C. to not swim D. not to swim

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--Why not swim in this river?
--Oh, no. Mum told me ________ here. It's dangerous.

--Why not swim in this river?--Oh, no. Mum told me ________ here. It's dangerous.