问题
选择题
I work ________ and sleep _______.[ ]
A. in the day; at night
B. at the day; in night
C. in day; at night
D. in the day; in the night
答案
答案：A
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I work ________ and sleep _______.[ ]
A. in the day; at night
B. at the day; in night
C. in day; at night
D. in the day; in the night
答案：A