问题
选择题
My little cat sleeps _______ the day , but ______night he begins to work.
A.at , at
B.on, in
C.on, at
D.during, at
答案
答案:D
考察介词。在表示时间时,在白天用介词in 或during the day,表示在白天,在晚上,用介词at ,联系下文the day和nigth,可知选D。