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I?m（ ）years old.
When is your birthday?
How old is Jerry?
He is six years old.
This is Jerry.
is
How old is the baby?
He is one year old.
只有一岁时用 one year old
I’m sixty seven
years old.
How old are you?
How old is
she?
Ask and answer
（1）How old is Danny？
（2）How old is Steven？
（3）When is Steven′s birthday？
（4）When is Danny′s birthday？
I’m eleven years old.
Ask and answer
（1）How old is Danny？
He is eleven years old.
（2）How old is Steven？
He is ten years old.
（3）When is Steven′s birthday？
His birthday is December 17.
（4）When is Danny′s birthday？
His birthday is July 25.
Read and retell