题目内容
?Why do you look so tried?
?Oh, I have worked ______. I need a rest.
A. nine hours ago
B. since nine hours ago
C. since nine hours
D. since ago
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题目内容
?Why do you look so tried?
?Oh, I have worked ______. I need a rest.
A. nine hours ago
B. since nine hours ago
C. since nine hours
D. since ago
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||