question: finally, you can now discover everything you need to know about your gcr file... instantly!
Capitalize this past sentence correctly.
A: Finally, you can now discover everything you need to know about your GCR file... instantly!

question: this is how we managed to meet euro 6 without compromising engine performance.
Capitalize this past sentence correctly.
A: This is how we managed to meet Euro 6 without compromising engine performance.

question: 4:32 and they were astonished at his doctrine, for his word was with authority.
Capitalize this past sentence correctly.
A: 4:32 And they were astonished at his doctrine, for his word was with authority.