I am quite busy weekends I have to go to English class Sunday mornings and dancing class a

发布时间：2020-08-20 18:52:43

I am quite busy     weekends I have to go to English class     Sunday mornings and dancing class after lunch.
A. at; in
B. in; in
C. in; on
D. on; on

网友回答

A. at; in
B. in; in
C. in; on
(答案→)D. on; on
解析：表示在周末可用介词on或者at，表示在星期几只能用on，故本题选D。
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