Section Listening and Speaking to 2.is/was responsible for 3.are suitable for 4.signing up for 5.cleaning up 6.in advance 7.graduate from 三、1.Obviously 2.challenging 3.suitable 4.graduation 5.confusing 6.cleaning 7.responsibility 8.in 四、1.freshman;recommend;advanced literature;suitable 2.prefer;a little confused 3.is responsible for 4.Obviously;quit smoking 五、1.D 2.C 3.C 4.A 5.B 6.D 六、1.D 2.D 3.A 4.B 七、1.A 2.C 3.D 4.B 5.C 6.D 7.A 8.C 9.B 10.D 11.B 12.B 13.A 14.D 15.C 16.B 17.D 18.B 19.C 20.A 八、1.rang 2.a 3.to meet 4.later 5.into 6.which 7.Seeing 8.laid 9.immediately 10.had broken
