[答案]
Youshouldwearwarmclothesoncolddays.
[解析]
根据所给词汇及标点,可确定组合的句意是:在寒冷的日子里,你应该穿暖和的衣服。You你,作主语,放于句首,首字母要大写;should wear应该穿,放在主语后;warm clothes暖和的衣服,作宾语;on cold days在寒冷的日子里,放于句尾,结合英语的表达习惯作答。
故答案为:You should wear warm clothes on cold days.
[点评]
本题考查了"陈述句肯定形式,",属于"基础题",熟悉题型是解题的关键。