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题目内容
（华北水利水电大学英语）
According to one resident, they are short of sleep because ____________.（ ）
·they are too tired to fall asleep
·they are forbiddeto sleep at work
·they are too worried about oversleeping
·they are too worried about oversleeping
·they are too tired to fall asleep
·they are forbiddeto sleep at work
·they are too worried about oversleeping
·they are too worried about oversleeping
参考答案
