单项选择题A. Practice her presentation in front of him. B. Find out who her audience will be tomorrow. C. Try not to think about her audience. D. Watch him make his presentation.
单项选择题A. His years of experience training dangerous animals.B. His emotional bound with bears by feeding them since born.C. His brave and courageous character as an animal trainer.D. His profound knowledge of bears’ course of action.