练习一

　　一.1.wolves 2.beginning 3.wears 4.least 5.tasty 6.nowhere 7.pleasant 8.Climbing 9.crazy 10.without

　　二.1.D 2.B 3.A 4.B 5.B 6.B 7.A 8.D 9.A 10.A 11.B 12.A

　　三.1.with 2.from 3.in 4.at 5.of 6.for 7.in、for 8.in 9.with 10.by

　　四.1.practicing 2.were 3.will die 4.didn’t watch 5.smoking 6.are getting 7.lost 8.keep 9.lying 10.to watch

　　五.1.Don’t open when driving 2.won’t camping it rains 3.leave five-year-old on own 4.The ninth the same as 5.make noise to do

　　六.1.C 2.B 3.A 4.A 5.A 6.C 7.D 8.D 9.A 10.D

　　练习二

　　一.1.Leaves 2.activities 3.ninth 4.worried 5.beauty 6.useful 7.amazing 8.less 9.better 10.weight

　　二.1.have less than 2.is helpful to 3.spend better results on 4.as interesting as

　　5.Luckily put out 6.took a trip famous

　　三.1.A How far 2.B Are 3.B not talk 4.B / 5.B so much 6.B doesn’t like

　　7.B to answer 8.B will be 9.B isn’t 10.D on

　　四.1.C 2.B 3.C 4.B

　　五.1.policeman 2.E-dog 3.frog

　　六.1.more helpful than 2.Did enjoy themselves 3.keeping secret between 4.the same as

　　5.less time by coach 6.isn’t on is it