陕西版三年级上册51页怎么读

let's learn a one listen look and say hello i'm chengdong i'm eight years old this is my brother chenming he's five years old thank you for sharing chen dong to listen and chant good morning good morning my name is tom i am eight years old good morning good morning my name is e i am nine years old let's learn be one listen look and say happy birthday can thank you how old？ are you look one two three are you eight？ yes i'm old years old how old are you fido woof woof oh you two is old。