A.Please stop! | B.Please be quiet! | C.Be careful! |
A.What's this? | B.It's a chair. |
A.Is this your mother? | B.This is my mother. |
A.Hi, Jimmy! | B.Hello! I'm Jimmy. |
A.Hi, Mum. | B.Goodbye, Mum! |
A.Hello, I'm John. | B.Hi, John. |
A.Hello, I'm Sam. | B.Hi, Sam. |
A.Hello, Daming. | B.Goodbye, Daming. |
A.Bye-bye, Amy. | B.Hi, Amy. |
A.How many girls? | B.How many boys? | C.How many girl? |