问题
选择题
It is your own fault _____ you are so tired. You oughtn't have stayed late. [ ]
A. when
B. how
C. where
D. why
答案
答案：D
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It is your own fault _____ you are so tired. You oughtn't have stayed late. [ ]
A. when
B. how
C. where
D. why
答案：D
