单项选择题
A. Hardly ever. B. No wonder you look so well. C. Follow my advice. D. I’m sure. E. Do you want to go with me F. Right on! G. Have a nice day. H. That’s too bad.
A．Children. B．Young men. C．Old people. D．All of above.
A．birth control B．Japan’s birth control policy C．food shortage in the future D．man in the future