A.It's a black dog. | B.It's a red dog. |
A.Open the window! | B.Open the door! |
A.How are you? | B.How old are you? |
A.That is a monkey. | B.This is a monkey. |
A.Yes. | B.No. |
A.How are you? | B.Tingting? |
A.Hello! | B.Goodbye! |
A.Thank you. | B.Sorry! |
A.I’m Lingling. | B.Hi, Lingling. |
A.How are you? | B.What colour? | C.How many? |