寻英语造句题用英语写几个中国和英国传统.（用must和must not）帮个忙，急啊谢谢谢谢

All passengers must wear seat belts。
Chinese must have a family dinner on New Year's Eve(on the eve of Spring Festival)。
You must not smoke in the room in UK。
On the evening Thanks Giving Day,all the famliy must gather together for a Thanks Giving meal。