1.thirty30,  forty40,  fifty50,  sixty60,  

seventy70,  eighty80,  ninety90,  one hundred100,  

twenty-one21,  twenty-two22,  twenty-three23,  

twenty-four24,  twenty-five25,  twenty-six26,   

twenty-seven27,   twenty-eight28,  twenty-nine29,  

old老的,  year年,  this这个.

2.

How old are you?

你多大了？

I am ………… years old.

我.....岁了。

I am 25 years old.

我25岁了。

Happy birthday! This is for you!

生日快乐！这个是给你的！

Thank you!

谢谢！

3.

A: Happy birthday! How old are you?

生日快乐！你多大了？

B: I am ……. years old.

我....岁了。

A: This is for you!

这是给你的！

B: Thank you!

谢谢！

A: You are welcome!

不客气！