I.1~5BDBCB6~10BDCBD
11~15BDDCC16~20BACDD
II.1.owner2.importance3.were4.helpful5.funny6.worride7.younger8.youself9.friendship10.chatting
III.1.Dong'tlaughattheoldpeople
2.Hisparentsareverystrictwithhim
3.Childrenhaveplentyoftimetodotheirhomeworknow
4.l'mgettingalong/onwellwithmyclassmates
5.Haveyoucomeupwithagoodidea?
IV.1.todo2.toget3.wasallowedto4.didn'tuse5.canshe
V.1~5DBGCF
VI.1~5CDDBC6~10DADCC
VII.1~5BDBDC6~10CCBAD
