1、It isn't__his__｛he}pen,it's__hers__｛she}.
2、Is it__your__｛you}eraser?
3、Do you have __your__{you} umbrella?yes,I have__mine__｛I}.
4、__His___｛he}bag is haveier than__hers__{she}.
5、Whose bedroom is bigger,__ours___{we}or__theirs__{they｝?
6、Do you like __your__{you}Chinese teacher?I love__our__{we}Chinese teacher verymuch.
7、They're doing__their__{thry}homework.
8、Whose knife is it?It's_hers__{she}.
9、I have a cat __its__{It}nome is Mimi.
10、I have an orange car.The orange car is_mine__{I}.
11、He has a bike.The bike is __his_{he}.
12、He is doing his homework now,and she is doing__hers__{she}too.
13、Whose are __them__{they}.
14、Are the toys Mike's yes,they are__his__{he}.
15、I am having my lunch,you are having__yours__{you},and the girls are having__theirs___{they}.
16、Is the ruler__hers__{she}?
17、Whose is the bag It 's__his__{he}.
18、It 's not your money.It 's_ours___{we} .
19、Your house is smaller than_mine____{I} .