Помогите пожалуйста!!!!! of - to - By - in - from 1. Books are wonderful source ___...

Question

Помогите пожалуйста!!!!!
of - to - By - in - from

1. Books are wonderful source ___ knowledge.
2. Nowadays books are sold ___ large numbers.
3. I borrowed this book ___ the library.
4. "Hamlet" is a tragedy ___ Shakespeare.
5. I believe that reference book should be ___ every home.

Answer 1

Of
in
from
by
to
сверь навякий случай с кем нить

Answer 2

1. of
2. in
3. from.
4. by
5. to