___on Oct 1 st,1949, the people Republic of China celebrated her 60thbirthday on Oct 1st last year.A.Built B.Founded C.Established D. Created请解析

___on Oct 1 st,1949, the people Republic of China celebrated her 60thbirthday on Oct 1st last year.A.Built B.Founded C.Established D. Created请解析 The People's Republic of China__.A.found on 1949,Oct.1 B.founded on Oct 1 th,1949C.was found in Oct 1 st,1949 D.was founded on Oct 1 st,1949选哪个,原因 Oct 1st,1949 ------ ------ ------ ------ Chinese people1949年10月1日对中国人民来说是有伟大意义的 英语年月日的书写?为什么oct.1st,2009,1后面加st,但有时加th呢?是怎么回事? Chen Qiang told Mr Smith that the People's Republic of China was founded on Oct.1st,1949为什么不是had been founded? 完整缩写形式Dec. 1st【 】 Oct. 2nd【 】Sept. 3rd【 】 Aug.4th 【 急,求英语短文100字,主题为my plan for the oct 1st holiday October可以简写为oct.October 1st可以简写吗 We will celebrate the 60th a---- of the founding of the PRC on Oct .1st next year Chen Qiang told Mr Smith that the People's Republic of China was founded on Oct.1st,1949为什么用was founded 而不是has founded?不应该只是过去的过去吗?错了，为什么不是has been founded? This story happened on _________.A.2009,Oct.21st B.Oct.21st,2009 C.2009,21 October D.21st of October,2009 per 放在句首是啥意思Dear Project Managers,Per our communication before, Management Tool will be launched on Oct. 1st, 2009. National Day It is known to everyone:Oct,1st is our National Day.At this day I went to street and sNational DayIt is known to everyone:Oct,1st is our National Day.At this day I went to street and saw something.Now I will tell you!At 8:00 I got up and 英语单选语法题求助!oct,1st,（ ）is our national day,is always celebrated with singing and dacingA.as B.that C.when D.which为毛选D不选c? 请帮忙修改语句中的语法错误.The 2nd test fixture make has finish,but shipping schedule is delaying to 1st week of Oct after Golden week of China. 1/3 OCT 滤波器中 OCT 的含义是什么 英文全称是什么? 这是给好朋友的生日排序↓ My Friends'BirthdaysTom( )Mar .2nd Jenny( )sept.12th Beth( )Oct.30th Mike( )Jan.3rdNick( )Dec.16th Kate( )Nov.7thPam( )Aug.5th John( )Apr.29thJill( )July 14th Peter( )June 11thSam( )May 21st Mary( )Fed.1st这是 They go to buy many things on Sunday.1)They___ ___ ____ ____on Sunday2)They___ ___ ____ ___ ___on Sunday 3)They___ ___ ___on Sunday 4)They often___ ___on Sunday 5)They often___ ___ ___on Sunday