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