单项选择题
A．people need big families B．people are short of money C．people can get more pleasure from more children D．people are afraid of old age
A．Large, but cheap, easy to use. B．Large, expensive, very popular. C．Small, cheap, easy to use. D．Large, expensive, hard to us
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.