用代词的主格、宾格或所有格填空.
1)A:Canyoulendmeyourbook?
B:Yes,here_____are!Butpleasereturn_____to_____tomorrow.
A:Thank_____._____willgiveitto_____tomorrow.
2)Ilovemyparents.Weareteachersand_____areverykindto_____students.
3)A:Aretheseyourpens?
B:No._____arenot._____pensareblue.
4)Thisismydaughter'sdog._____likesitverymuch._____hairiswhiteandbiack.
5)Whoistheyoungman?_____is_____officeboy.Welike_____verymuch.