英语译林牛津版必修1unit2导与练(1--3)及答案 4. ...you weren't supposed to come home until tomorrow! (page 22,lines 910) ……你们应该明天才到家的呀! be supposed to 应该……;被认为 …… everybody is supposed to know the law,but few people do. 人人都应该懂得法律,但很少有人懂。 they were supposed to arrive at five o'clock. 他们本来应该5点到的。