It’s the (large) company in the country.

Đây nhé
1  the cleverest

2 longer

3 the best

4cleaner

5 more expensive

6 the most quickly

7 more dangerous

8 more sweetly

9 the most exciting

10 the fastest

11 the most popular

12 closest

13 beautiful - most beautiful

14 hotter
15   worse

16 better

17 bigger - biggest

18 more dificult - the most  difficult