-- ?-It's thirty.A. What's the timeB. What's ten plus twentyC. How old is the woman
请坐下 A.Sit up B.Sit down , please
起立 A.Sand up B.Sand
生日快乐 A.My birthday B.Happy birthday
我八岁了 A.I’m eight B.This is eight
这是李燕 A .I’m Li yan B .This is Li yan