摘要：(2010·江西南昌高三检测)-You part in the party on time. -Sorry.I was delayed by the accident. A.are supposed to take B.have supposed to take C.are supposed to have taken D.supposed to take 解析:“be supposed to have done sth. 表示“理应做过某事 .有虚 拟含义. 答案:C

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