一、填空
1.prefer to.rather than
2.too.to
3.What would you do
4.not to
5.more than
二、改错
1.would--will
2.stop to exercise--stop exercising
3.read--reading
4.will--to
5.a circle--a circle of
6.problems--problem
7.What did you do--What would you have done
8.of safe--about safety