15.The book Been There, Done That written by a Chinese American graduate is _____a real story.
—Oh, help! The pan is on fire! —___________. I can handle it.
Tom ____his homework yesterday, because he was in hospital all day.
--- It is four years since I lived in shanghai. ---________?
I don’t know ____________.
I ______ this book for two weeks. I have to return it now.