一、1 - 5 B E C D A
二、1、grandmother
2、grandfather
3、mother
4、father
5、sister
三、1 - 5 B D D A C
四、1、this is , father , Good morning , How do you do , Thank you very much
2、this is , Hi , How are you , And you
五、1、your son
2、His , a
3、These are
4、Those are
5、That , uncle
六、1、are not
2、they are
3、No ,isn't
4、This isn’t
5、That , an