`text{1.}` Overpopulation is a major problem in the city, isn't it?

`text{2.}` Children in slums don’t have enough food, do they?

`text{3.}` Wealthy people have better healthcare, don't they?

`text{4.}` Big cities have more problems, don't they?

`text{5.}` We can go to the countryside this weekend, can't we?

`text{6.}` Clean water shortages are not easy to solve, aren't they?

`text{7.}` This city is overcrowded, isn't it?

`text{8.}`  It’s not dangerous to visit a slum, is it?

`text{9.}` Life is more exciting in the city, isn't it?

`text{10.}` Crime affects everyone in the city,  doesn't it ?

$\text{1 . isn't it}$

$\text{2 . do they}$

$\text{3 . don't they}$

$\text{4 . don't they}$

$\text{5 . can't we}$

$\text{6 .  are they}$

$\text{7 . isn't it}$

$\text{8 . is it}$

$\text{9 . isn't it}$

$\text{10 . doesn't it}$