Improve the highlighted part of the sentence given below.
We look forward to $hear$ from you.

Improve the highlighted part of the sentence given below:
The reason $why\, he\, wrote\, the\, letter\, was\, because$ he could not contact him over the phone.

Improve the highlighted part of the sentence given below:
But in all these cases,conversion from scale $have\, well-formulated$.

Improve the highlighted part of the sentence given below.
The record for the biggest tiger hunt has not been $met$ since $1911$ when Lord Hardinge,then Viceroy of India,shot a tiger that measured $11$ feet and $6$ inches.

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.

Improve the highlighted part of the sentence given below.
If he $would\, have\, tried$ he would have succeeded.