Improve the highlighted part of the sentence given below.
The greatest thing in style is to have a $use$ of metaphor.

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.
He $was\, fined$ for careless driving.

Improve the highlighted part of the sentence given below.
If $I$ stood alone in defence of truth,and the whole world $is\, banded$ against me and against truth,$I$ would fight them all.

Improve the highlighted part of the sentence given below:
$I$ would have waited for you at the station if $I$ $knew$ that you would come.

Improve the highlighted part of the sentence given below.
The end of the examinations is (an) $opportunity$ for celebrating.