问题
选择题
Koalas sleep ___ the day and get up __ night. [ ]
A. during; at
B. at; during
C. at; at
D. during; during
答案
答案：A
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Koalas sleep ___ the day and get up __ night. [ ]
A. during; at
B. at; during
C. at; at
D. during; during
答案：A