以下是為大家整理的關于《簡單的兒童英文歌曲：Happy Birthday》，供大家學習參考！
    Happy Birthday (How Old Are You Today?)
    Happy birthday to you.
    Happy birthday to you.
    Happy birthday. Happy birthday.
    Happy birthday to you.
    How old are you today?
    How old are you today?
    How old are you? How old are you?
    How old are you today?
    I'm __________ years old today.
    I'm __________ years old today.
    I'm __________ years old.
    I'm __________ years old.
    I'm __________ years old today.
    Happy birthday to you.
    ?Happy birthday to you.
    Happy birthday. Happy birthday.
    Happy birthday to you.