专四

单选题Aren't you tired? I __________ you had done enough for today.

A．should have thought 
B．must have thought
C．might have thought 
D．could have thought

参考答案：A进入在线模考
【译文】你一定累坏了。我本该想到你今天已经做得够多的了。
【解析】考查“情态动词+完成体”的用法。“might/could+ have done”表示“可能已经做了”，在本句中不合适，因为说“我可能已经想到……”在语义上很别扭。must have done表示“一定做／发生了”，如：It must have rained last night．在本句中也不合适。should have done表示“本来应该做某事却没有做”，符合句意。

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