Unit 10 Youre supposed to shake hands. 第六课时 Section B (3a3b) 单元同步作文指导 本单元以 “风俗习惯 ”为话题，学习了不同国家的礼仪，如见面礼仪、餐 桌礼仪等，谈论了在不同的场合应该做什么，了解了不同国家的文化习 俗。具体到书面表达中，要求同学们会写有关 “customs， habits， manners”等方面的作文，要求我们重点掌握 “be supposed to do”这一结 构。 You are/arent supposed to. You are expected to. You should/shouldnt. Its polite/impolite to. Its very important to be on time. You shouldnt point at anyone with your chopsticks. Its impolite to stick your chopsticks into your food. Youre not supposed to start eating first i
