question: if you have not experienced an epic big rig driving test, you are about to....
Capitalize this past sentence correctly.
A: If you have not experienced an epic big rig driving test, you are about to....

question: in some cases parts must be ordered in matched sets in order to maintain the specified accuracy and performance of the instrument after repair.
Capitalize this past sentence correctly.
A: In some cases parts must be ordered in matched sets in order to maintain the specified accuracy and performance of the instrument after repair.

question: the 1919 versailles diktat for it was not really a treaty was so harsh and dishonourable for the defeated nation that the american senate refused to recognise or adopt it (november 20, 1919); thenceforth, little by little, it was discredited.
Capitalize this past sentence correctly.
A: The 1919 Versailles Diktat for it was not really a treaty was so harsh and dishonourable for the defeated nation that the American senate refused to recognise or adopt it (November 20, 1919); thenceforth, little by little, it was discredited.