Whatdidyouusetodo________?A.onthe

发布时间：2020-07-11 03:53:12

What did you use to do ________?













A.on the Children's Day












B.on Children's Day











C.on Childrens' Day











D.on the Childrens' Day

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B解析节日前面不加冠词．介词用on．
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