Whenhewasopeningthedoor,hewas___

发布时间：2020-07-25 13:00:28

When he was opening the door, he was ______ that he was being followed by a policeman.A.consciousB.casualC.carefulD.doubtful

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A解析词义辨析. A.意识到的;自觉的 B.随便的;临时的 C.认真的    D. 可疑的.句意:当他打开门,他意识到他被一个警察跟着.选A
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