英语句子日期、月份和星期前面各应该加in还是on?
问题描述：
英语句子日期、月份和星期前面各应该加in还是on?
His birthday is ( ) May 21th.
It is always cold ( )February.
He is going to arrive ( ) Monday.
( ) the rain afternoon.
( ) six o‘clock.
答
His birthday is on May 21th.
It is always cold in February.
He is going to arrive on / in Monday.两者皆可,要看情境
In the rainy afternoon.
At six o’clock.