单项选择题
A. Cuban citizens only. B. Permanent residents only. C. Temporary residents. D. Cuban citizens and permanent residents.
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.