Question

Fill in the gaps with appropriate words.
A book is our best friend. By (a)--books we call know the (b)-- history of the world. It is also (c)--
living
history of the world. It gives us innocent joy (d)-- can not be expected from our friends. Books
always (e)-- to be by our side.​

Answer 1

Explanation:

history ofthe world.

Answer 2

Explanation:

a book is our best friend.by (a)...