请求帮助
<P>what do you usually do ( )Children's Day ? A at B on</P><P>what do you usually do ( )Easter? A at B on</P>
<P>请问选哪个,为什么??</P> 具体到某一天用介词on B A B A 最偷懒的方法,有day 的用on 没有的用at
B C
on ,at <P>同意楼上的</P><P> </P> thanks a lot ! 同意tongyi 谢谢,收益颇多!!!
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