单项选择题
A. waited for B. taken off C. put out D. given up
A. Be indifferent to it. B. Be for it. C. Be against it. D. Be angry at it.
A. About half of Panama lies east of Miami. B. Panama is squeezed into the narrowest portion of Central America. C. Panama offers the lowest point in the North American continental divide. D. All of the above are true.