A.Good morning, class. | B.Good morning, Mike. | C.Good morning, Miss Li. |
A.Hello, Mike. | B.I’m Mike. | C.I’m Liu Tao. |
A.I’m Mike. | B.Good morning, Mike. | C.Are you Mike? |
A.Good morning. | B.Goodbye, Bobby. | C.Hello, Bobby. |
A.on | B.in | C.at |
A.What's this? | B.What's that? |
A.Are, are | B.Are, am. | C.are, am |
A.Yes, I am | B.Hi, I’m Liu Tao | C.Hi, Liu Tao |
A.Yes. You're right. | B.No, I’m not. | C.No. I'm Paul. |