Please capitalize where necessary: when it was time to pack up and leave, they just left the massive heaps of stones behind.
A: When it was time to pack up and leave, they just left the massive heaps of stones behind.
Q: only steps from le parc's front doors are many of the area's most famous attractions.

A: Only steps from Le Parc's front doors are many of the area's most famous attractions.
Q: if you would like to collect missing points for scheduled flights you have taken with flybe nordic (flight numbers be5500–5670) before 30 april 2015, please check the eligible booking classes below and claim your points through our website.
A: If you would like to collect missing points for scheduled flights you have taken with Flybe Nordic (flight numbers BE5500–5670) before 30 April 2015, please check the eligible booking classes below and claim your points through our website.
Problem: the concentration of greenhouse gases can make the atmosphere essentially opaque in a particular band.
Can you repeat this sentence, but capitalize it?
Answer: The concentration of greenhouse gases can make the atmosphere essentially opaque in a particular band.
Text: 18 of his own will he gave birth to us by the word of truth, that we should be a kind of first fruits of his creatures.

Correct capitalization: 18 Of his own will he gave birth to us by the word of truth, that we should be a kind of first fruits of his creatures.
Text: the jealousy of other people’s better houses,

Correct capitalization:
The jealousy of other people’s better houses,