When were you born?I was born on Febuary 19th 2003.When is you birthday?It’s February 19th.我想问问,为什么 born 后要加上介词 on,而It’s后面的on却可有可无?

When were you born?I was born in March,1990. When were you born? I was not when you were born,You were old when I was born.什么意思? when were you born=when is ( ) ( when were you born?i was born on July 3还是July 3rd?RT when were you born?请翻译! when were you born?同义句 when were you born等于什么 when were you born?改为同义句 连词组句：were,you,when,born. When and where were you born? I was born in Rizhao on May 1,1998 的汉语 I asked Wei Fang,“When and where were you born?”请改为间接引语 When were you born?为什么不是when were your born应该是你的生日啊? _____ year were you born I was born in 1989.A)When B)What C)Where_____ year were you born I was born in 1989.A)WhenB)WhatC)Where I was born （ ）1992.（ ）were you born? when and where( )you born?A was;B were.为什么? when were you born我要怎么回答 when were you born 能否只回答月日