October 1st is the day ____my brother joined the army.选A.which B.that C.when D.in which 为什么?

-When is the Nation Dayof the PRC?-It's________.A.on 1st October B.in 1st OctoberC.on 1st of the October D.in the 1st of October什么时候用in?什么时候用on? day,October,next,is,the,1st.【连词成句】 October 1st is Chinese National Day.(改为同义句)October 1st is the _____ of New _____. ---When is the National Day of the PRC? ---It's _____.A on 1st October B in 1st October C on the 1st of OctoberD in the 1st of October October 1st is our N.Day The People's Republic of China was founded----,1949.A.in October B.on October 1st C.in October 1st D.October1 october 1st is a s___ day.It is the birthday of China 怎么填 October 1st is the day ____my brother joined the army.选A.which B.that C.when D.in which 为什么? The birthday of our country is ( )october 1st,( )A;on,1921 B;in,1927 C;on,1949 D;in,1968 October 1st is National Day 这句话对吗 national day is on october 1st的问句 When is your birthday?回答October 1st. our country's birthday is ( ) A,on october 1sh ,1949B,in 1st octorber,1949C,in 1949,1st october D,1949,on octorber 1st It,s the 1st of October的中文翻译 in the evening on October 1st in对吗 下面的空上选哪个答案?_________________ is our National Day.A.1st October B.October 1st October 1st怎么读啊?我是读October the first. 英语翻译RT是不是on October 1st morning,还是on the morning of October 1st?两个都可以？