问题
选择题
The employees were tired of working ________ hours and some of them even gave up their work. [ ]
A. special
B. extra
C. especial
D. spare
答案
答案：B
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The employees were tired of working ________ hours and some of them even gave up their work. [ ]
A. special
B. extra
C. especial
D. spare
答案：B