`13)`

`1)` more quiet

`2)` the longest

`3)` the most enjoyable

`4)` stronger

`5)` hottest

`6)` the richest

`7)` more expensive

`8)` the busiest

`9)` the nicest

`10)` the cheapest

`11)` smaller

`12)` cheaper

`13)` the worst

`14)` the cheapest

`15)` farther

`16)` thinner

`17)` more crowded

`18)` longer

`19)` busier

`20)` the most famous

1.quiet

2.the longest

3.enjoyable

4.stronger

5. hotter

6.richest

7.more expensive

8.the busiest

9.nicest

10.cheapest

11.smallest

12.cheapest

13.worsest

14.the cheapest

15. far

16.thinner

17.more crowed

18.longer

19.busier

20.the most famou

cho mik ctlhn nha