Fill in the gaps with this ,that,these,those

1)These
2)This
3)This
4)These
5)That
6)That
7)This
8)This that
9)This
10)that
11)These
12)that
13)this that
14)Those
15)These
16)This
17)Those
18)Those
19)This
20)That
21)These
22)That
23)This
24)these