Improve the highlighted part of the sentence given below.
We were $not$ the wiser for all this effort to explain the case to us.

Improve the highlighted part of the sentence given below.
They are social insects, $living\, in\, communities$, regulated by definite laws, each member of society bearing a well-defined and separate part in the work of a colony.

Improve the highlighted part of the sentence given below:
"$There\, is\, no\, more\, room$ for you in this compartment."

Improve the highlighted part of the sentence given below.
This telephone number $is\, not\, existing.$

Improve the highlighted part of the sentence given below:
The dissidents $hold$ a great problem in every political party.

Improve the highlighted part of the sentence given below:
Not a word $they\, spoke$ to the unfortunate wife about it.