;Differenttrafficwaysinourlife;;;;T:Howdoyoucometoschool?Why?;Howdotheygotothenaturepark?;Wherearetheynow?;Whatcantheysee?;Slowdownandstopatayellowlight.;;;表达一定要做某事的肯定句型。

句型结构：主语+must+动词原形+其他.;;游戏规则：

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