Improve the highlighted part of the sentence given below:
He could not $look$ anything in the dark room.

Improve the highlighted part of the sentence given below.
When it was feared that the serfs might go too far and gain their freedom from serfdom,the protestant leaders joined the princes $at\, crushing$ them.

Improve the highlighted part of the sentence given below.
$I$ shall be grateful to you if you $are\, of\, help$ to me now.

Improve the highlighted part of the sentence given below.
My friend was in hospital for a week $after$ an accident.

Improve the highlighted part of the sentence given below.
The demonstration $passed\ off$ peacefully.

Improve the highlighted part of the sentence given below.
If you had attended the meeting,you $would\, have\, benefited$ a great deal.