單項選擇。
My little cat sleeps ______ the day , but ______ night he begins to work.

A. at, at
B. on, in
C. on, at
D. during, at
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科目：初中英語 來源：同步題 題型：單選題

單項選擇。
My little cat sleeps ______ the day , but ______ night he begins to work.
[     ]
A. at, at
B. on, in
C. on, at
D. during, at

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