独秀s8怎么样:英语选择题

来源:百度文库 编辑:中科新闻网 时间:2024/05/13 18:38:32
Children in Western countries can usually get all kinds of presents_______ Christmas and _______their birthdays.
A.on ;on B.in;at C.at;on D.by;on

选C 为什么呢?解释下

at Christmas是习惯用法
而on their birthday是正常用法,在天前面加on

at Christmas
on one's birthday