Improve the highlighted part of the sentence given below.
If you are not clear about the meaning of a word,it is wise to $look\, to$ a dictionary.

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: The workers are $hell\, bent\, at\, getting$ what is due to them.

Improve the highlighted part of the sentence given below.
He $sent\, a \,word$ to me that he would be coming late.

Improve the highlighted part of the sentence given below: Mr. Smith arrived $at$ India in June last year.

Improve the highlighted part of the sentence given below.
The logic of the Berlin Wall $already\, had\, been\, undermined$ but when the news came through that the wall itself had been opened,$I$ jumped into a car.