Question

The library is a completely silent place .the library is a place of complete ______

Answer 1

Answer:

The Library is a place of complete silence.

Answer 2

Answer:

The library is a completely silent place .the library is a place of complete silence.

Explanation:

$\rightarrow$ Abstract noun is used here.

$\rightarrow$ Abstract nouns are the nouns that depict a feeling;something that couldn't be seen but could be felt.