. -What are on show in the museum? -Some photos _____by the children of Yushu, Qinghai.
-----________ 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? -----_________.