Please capitalize where necessary: the citizens were given the following questions on that day:
A: The citizens were given the following questions on that day:
Q: we bought the barcelona card to travel unlimited for 5 days. duration of transport airport - apartment: 45 min!

A: We bought the Barcelona Card to travel unlimited for 5 days. Duration of transport airport - apartment: 45 min!
Q: it hurts to admit i did something wrong.
A: It hurts to admit I did something wrong.
Problem: moreover, you can bring back deleted, lost or missing data from external hard disks, usb drives, flash memory cards, ipods, firewire drives, etc on windows 7 os by using this tool.
Can you repeat this sentence, but capitalize it?
Answer: Moreover, you can bring back deleted, lost or missing data from external hard disks, USB drives, flash memory cards, iPods, FireWire drives, etc on Windows 7 OS by using this tool.
Text: 11:6 you have multiplied your slain in this city, and you have filled its streets with the slain.

Correct capitalization: 11:6 You have multiplied your slain in this city, and you have filled its streets with the slain.
Text: in 1942 keynes was elevated to the peerage and took his seat in the house of lords, where he sat on the liberal benches.

Correct capitalization:
In 1942 Keynes was elevated to the peerage and took his seat in the House of Lords, where he sat on the Liberal benches.