A.Hello. | B.Good afternoon. | C.Hi, I'm Tim. |
A.Hi, Liu Tao. | B.Are you Liu Tao? | C.This is Liu Tao. |
A.Good morning | B.Good afternoon | C.Good evening |
A.I'm; Hi, Sam |
B.are you; Hello, Sam |
C.this is; Hi, Mike |
A.Goodbye, Bobby | B.Good night | C.Goodbye, Sam |
A.No | B.Yes | C.Hello |
A.I'm | B.I am | C.I'm not |