People work ______ the daytime and sleep ______ night. [ ]A. during; in B. during; at C. at; at D. i
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题目简介
People work ______ the daytime and sleep ______ night. [ ]A. during; in B. during; at C. at; at D. i
题目详情
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B. during; at
C. at; at
D. in; in
答案