A.Hi! I'm John. I'm from the USA
B.Hi! I'm John. I'm a Chinese
C.Hi! This is John
–– James: Hi, Harry. ____
–– Harry: Hi, James. I just bought a new camping tent. I can ’t wait to use it.
A: What’s up?
B: What’s on?
C: What’s wrong?
D: What’s right?