`1.` faster
`2.` more populous
`3. `more densely
`4. `more reliable
`5.` better
`6`. further/farther
`7. `more happily
`8.` healthier
`9. `slower
`10. `more badly
`11.` better
`12. `more familiar
`13.`more beautifully
- Tất cả đều là câu so sánh hơn do có than
- S1 + be/V + adj/adv-er + than + S2 + ...
- S1 + be/V + more + adj/adv + than + S2 + ...
14. more polluted
15. more helpful