-You________hereintime．-Sorry,Iwasheldupbytheaccident．A.aresupposedto

发布时间：2020-08-04 23:00:28

-You ________ here in time．-Sorry, I was held up by the accident．A.are supposed to have arrivedB.are supposed to arriveC.have supposed to arriveD.supposed to arrive

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A解析从回答中的was held可知，是对过去的事情的描述。to have done对已经发生的事情的描述。be supposed to do应该做某事。
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