单项选择题
A. often go for walks B. usually have a specific purpose in mind C. prefer the seaside D. seldom make plans in advance
A. Get one bicycle top of the line. B. Choose one bicycle from the trade-ins. C. Rent a second-hand bicycle. D. Buy a racer or a touring bike.
A. Be more careful about what they advertise. B. Spend less money on advertising. C. Advertise more for their products. D. Use new advertising techniques.