单项选择题
A．They made laws that protect birds. B．They taught young people, helped pass laws that protect animals and so on. C．They tried to make the world better. D．Both B and
A．Colds are always very dangerous. B．Colds are often unpleasant though not dangerous. C．Actually nothing can help get rid of colds. D．The best way to keep colds away is to be healthy.
A. Please wait here B. Show C. Here it is D. your license E. beg your pardon F. May I see G. I’m sorry H. Be careful