单项选择题
A. What’s the matter B. I’m sorry to hear that. C. He simply hates me. D. Anyway, cheer up! E. Yeah, but it’s very hard to find jobs now. F. I’m all right. G. Let me alone. H. How are you
A．be B．receive C．write D．worth
A．The Origin of Life on Earth B．Life Forms on Earth C．The Discovery of Life on Earth D．The Preservation of the Past Life on Earth