Я так понимаю possessive case это притяжательный падеж. в таком случае-
where is Ben's copybook?
I repair my sister's toy yesterday
Micheal's telephone is on the table
My cousin's friends are three years older than me
I forget Billy's book at home
1.this
2.these
3.this,those
4.those
5.this,those
1.a
2.a
3.c
4.b
5.c
6.a
7.c
8.c
9.c
10.c
11.b
12.c
13.b
14.c
15.a
16.a
17.a
18.b
19.b
20. b
1. neighbours' <span>complaints
</span> 2. today's <span>world
</span> 3. sisters' <span>husbands
</span> 4. women's <span>clothes
</span> 5. ten-minute <span>ride
</span> 6. wives' <span>names
</span> 7. brother-in-law's <span>dog
</span> 8. Tolstoy's and Turgenev's <span>styles
</span> 9. Smiths' <span>luggage
</span>10. grandparents' house.