— I often chat with my friends on the Internet.— You are so smart! Will you please tell me____?
-----________ the girl in a purple hat? -----She is my sister Anna.
—____, are you Mr. Wang? —Yes, I am.
-----Is she Helen? -----__________. She is Gina.
---Tony, ________ is my good friend, Harry. --- Hello, Harry.
-----Are those your pencils? -----_________.