题目内容
— It’s time to work now.
— OK. I’ll wake Carl up. He for an hour.
A. has fallen asleep B. has been asleep C. fell asleep D. falls asleep
B 【解析】句意:——现在到了工作的时间了。——好的,我叫醒卡尔,他睡了一个小时了。根据fall asleep入睡,短暂性动词;be asleep睡着,指状态,延续性的;根据for an hour.可知用延续性动词;故选B
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