题目

What are you doing out of bed, Tom? You're      to be asleep.        , A. supposed          B. known           C. thought           D. considered   答案： A   考查动词的辨析。句意为“Tom，你不睡觉做什么？你现在应该睡觉。”out of bed未上床，起床的意思，be supposed to do应当，应该。  

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