the first day 和at the first day有什么区别吗?写文章是,是用the first day 还是at the first day做开头?

the first day 和at the first day有什么区别吗?写文章是,是用the first day 还是at the first day做开头? 应该说on the first day还是at the first day能否仔细讲解一下on和at的用法,1 It was the first day of the 10th moon. the first day at school是什么意思 on the first day还是in the first day还是at the first? 根据句意和首字母补全单词January the first is N_______Year's dayThe Tree Planting Day is on March 12th.It's good to p____trees at this time.The second Sunday in May is M_____Day.In China,C______ Day is on June 1st.The t_____ Sunday in June the very first day和drive sb 翻译on his very first day at the factory Today is（ ）day at school.A.first B.the my first C.my first D.my the first in the first year和at the first year at the first time,for the first time,on the first day有什么区别呢?at the first time,for the first time,on the first day有什么区别呢?请举例说明, At the 27th 英语翻译Through the 15-day period,which starts with the first day of the lunar new year and ends on the 15th day (known as Lantern Festival) the first day of the first和at first有什么区别 the first time 和at the first time和for the first time的区别 for the first time和the first time和at the first time有什么区别? When is the school trip?October 26th Have a school day at your school?Yes.When?April 20th