Sắp xếp thành câu hoàn chỉnh

1 Important/ is/ health/than /money/more
2 in/in/city/better/the/is /in/than/country/convenient/than/is
3 in/health care/city/better/the/is /than/countryside/the service/the
4 living/is/than/in/rural/more/areas/living/urban/ in/comfortable