Giúp em vs ạ 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

1.The shortage of accomodation isn't easy to solve, is it?

2.You had a very good time in Brazil last summer, didn't you?

3.Many countries are facing up problems of overpopulation, aren't they?

4.They really don't know the cause of that disease, do they?

5.Brians moves to the city for a better standard of living, doesn't he?

6.You haven't never seen the difficult life in a slum, have you?

7.There will be more places for children to play, won't there?

8.These narrow streets can't support more traffic, can they?