问题
选择题
People usually work hard ____ the day, and they have a good rest ____ night.[ ]
A. at; at
B. on; in
C. on; at
D. during; at
答案
答案：D
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People usually work hard ____ the day, and they have a good rest ____ night.[ ]
A. at; at
B. on; in
C. on; at
D. during; at
答案：D