Theystartedoffatabout5o’clockint

发布时间：2020-07-12 07:36:03

They started off at about 5 o’clock in the morning . They should______there by now.












A.arrive











B.have been arriving










C.have arrived










D.be arriving

网友回答

C解析考查虚拟语气。句意：他们在上午大约五点钟出发。到现在他们应该到达那儿了。“should+have+done”意思是“本来应该做某事，而实际没做。故选C。
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