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It's to say "thank you" when someone helps you.

编辑:chaxungu时间:2026-04-27 03:16:27分类:高中英语题库

【题目】It's (有礼貌)to say "thank you" when someone helps you.

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【答案】good;manner
【解析】句意:当有人帮助你时,道声感谢是有礼貌的。good manners固定短语,“有礼貌”,根据句意可知答案为(1). good (2). manners