5.It wasn't .........my..........mistake,it was.....theirs...........for getting the food order wrong [I/they]
6.she gave him ............her.............telephone number ,and he gave her..........his............[she/he]
7.I think .........their...............garden is bigger than........mine..............[they/we]
8.Is she a friend of.......yours...........? No,she is a cousin of .....mine.........[you/I]
9..............His.........car wasn't working ,so he used...........her........[he/she]
10..............My.............computer needs to be fixed ,but ..............his..........is working [I/he]

1.mine
2.your
3.its
4,our/hers
5.my/ theirs

chấm điểm nha ^~^

1.this dessert is........mine..................but you can have it. [ I ]
2.........Your...............car is so dirty I can't even tell what color it is [you]
3.the cat is in a good mood.It's just had .......its...........breakfast [it]
4.Mark and I did ..............our.........homework,but Jennifer didn't do........hers......[we/she]
5.It wasn't ........my...........mistake,it was....theirs............for getting the food order wrong [I/they]
5.It wasn't .........my..........mistake,it was.....theirs...........for getting the food order wrong [I/they]
6.she gave him ............her.............telephone number ,and he gave her..........his............[she/he]
7.I think .........their...............garden is bigger than........mine..............[they/we]
8.Is she a friend of.......yours...........? No,she is a cousin of .....mine.........[you/I]
9..............His.........car wasn't working ,so he used...........her........[he/she]
10..............My.............computer needs to be fixed ,but ..............his..........is working [I/he]