单项选择题
A. To clear up the snow in front of their houses. B. Not to drive to work in such stormy days. C. Not to leave their houses. D. To take care of their possessions and houses.
A. More jobs could be provided than before. B. More people could be educated than before. C. More books could be printed and distributed. D. More ways could be used to exchange knowledge.
A. what B. has C. that D. whose