Combine the sentences, using double comparative

Combine the sentences, using double comparative
16. If you read many books, you will have much knowledge.
________________________________________________________________
17. He speaks too much and people feel bored.
______________________________________________________________
18. The growth in the economy makes people’s living conditions better.
_____________________________________________________________
19. He learned a lot of things as he traveled far.
_____________________________________________________________
20. They are big, they fall fast.
______________________________________________________________