3、.Who’sthatman? He’smyfather.那个男人是谁?他是我的爸爸。3.Who’sthisgirl?She’smysister.这个女孩是谁?她是我的姐妹。64.A:Let’swatchTV. B:OK!/Great!/Goodidea!/Yeah.5.A:Issheyoursister? B:No,mymom. (Yes,sheis.)第三单元onetwo three four five six seven eight nine ten1 2 3 4 5 6 7 8 9 10eleven t