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_______ the dinner table. 答案 : 6. shouldn’ t。 at 7. to behave at 1. You are supposed to shake hands. be supposed ( expected) to do… 應該 …… 被期望做 …… 相當于: should do 當句子的 主語是”人”時 ,它可以用來 表示勸告 , 建議 , 義務 , 責任 等意思 . . You’ re supposed to ask the teacher if you want to leave the classroom. 如果你要離開教室 , 應該先問問老師。 She is late for class again and she is supposed to say sorry to the teacher. 她又遲到了 , 她應該向老師說對不起。 be supposed to do... 的否定結(jié)構(gòu)為 be not supposed to do...,它常用于口語中,意為“不被許可;不應當” 。 相當于:shouldn’ t do . She was not supposed to be angry about that. 她本不該為那件事而生氣的。 You are not supposed to smoke on the bus. 你不應該在公共汽車上吸煙。 They39。re expected to shake hands. expect ,預計 ,要求 sb. be expected to do sth. 被期望做某事 /應該要做某事 Everyone in the class is expected to take part in the discussion. 相關短語: expect sb to do sth 期望某人做某事 expect (that) +句子 料想。 I expect so: