英语 九年级 填空题 较难 ★ 精品

be supposed to do — 英语填空题

人教版·英语(初中) Unit 10 You're supposed to shake hands. AI 三重审校通过

题目
At a cultural dinner, the rule was to wait until the host raised a glass before eating. When Nina sat down, the host had not raised a glass, so she ___ (be supposed to / start) eating.