人教版九年级英语全一册Unit 7-2d 课文角色扮演趣味对话

人教版九年级英语全一册Unit 7-2d 课文角色扮演趣味对话。 Taking photos is not allowed in the museum. 博物馆里拍照是不被允许的。 be excited about doing sth. 做某事很兴奋很激动 I am excited about watching movies. 要看电影了我好兴奋啊！ 情态动词must 必须，否定 mustn't 禁止。后面加动词原形。 I mustn't eat ice-cream after doing sports. 运动后我禁止吃冰淇淋。