4)

1. older

2. the biggest

3. more expensive

4. better

5. more beautiful

6. the best

7. narrower - cleaner

8. smaller 

5)

heavy - heavier - the heaviest

bad - worse - the worst

wet - wetter - the wettest

useful - more useful - the most useful

dangerous - more dangerous - the most dangerous

good - better - the best

outgoing - more outgoing - the most outgoing

sad - sadder - the saddest

big - bigger - the biggest

angry - angrier - the angriest

clever - cleverer - the cleverest

boring - more boring - the most boring

pretty - prettier - the prettiest

6)

hot - hotter - the hottest

comfortable - more comfortable - the most comfortable

happy - happier - the happiest

good - better - the best

cold - colder - coldest

beautiful - more beautiful - the most beautiful

interesting - more interesting - the most interesting

thin - thinner - the thinnest

large - larger - the largest

lovely - more lovely - the most lovely

Gửi bn