礼貌提出请求和回应 — 英语选择题
题目
湖边牌子写着“No swimming.” Sam想礼貌地问能不能在湖里游泳，并根据牌子得到合适的回答。选出正确的一组对话。A. Can I swim in the lake, please? Sorry, you can't. B. I can swim in the lake. Yes, you can. C. Swim in the lake, please. No, you can't. D. Can I swim in the lake? Yes, you can.