问题描述:
在周日的早晨,用什么介词?是in Sunday morning ,还是on Sunday morning?
为什么?
为什么?
问题解答:
我来补答展开全文阅读
补充回答:
时间介词用法:
at 具体时刻前 at five O'Clock; at 4:30
in 某年,某月前 in 1997, in Jan,
on 具体日期前,周几前 On Sunday morning, On 1st Jan, 1997序数词前 on the first day of ....
On school day/On school day night
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2019-06-01