A.基础知识,字母表 | B.ABC song句型 | C.字母 |
A.Hello, David. | B.I’m Wang Bing. | C.Hi, I’m David. |
A.Good morning. | B.Good afternoon. | C.Good night. |
A.A cup of coffee, please. | B.Thank you. | C.No, thank you. |
A.Turn on | B.Turn off | C.Open |
A.Turn on | B.Open | C.Close |
A.Nice to meet you. | B.Good morning. |
A.Open your book. | B.Close your book. |