Tom‘s bithday is March 21st.改为同义句Tom's - -birth is March 21s

Tom's date_ of_birth is March 21st。Tom的生日是3月21日那么同意句换一种说法：Tom 出生在3月21日（不是这个）Tom的出生日期是3月21日（是这个）参考,比如同意句转换 When is youe birthday?What's the date of your birth?The price of the shoes is 15 yuan。The shoes cost 15 yuan 。He's thirteen 。His age is thirteen。