Please capitalize where necessary: here are links to the homepages of some of the companies which make virus scanners:
A: Here are links to the homepages of some of the companies which make virus scanners:
Q: 1973: first international connections to arpanet: norsar in norway and the university college of london. the connection went via satellite.

A: 1973: First international connections to ARPANET: NORSAR in Norway and the University College of London. The connection went via satellite.
Q: swiss lotto lottery numbers - wednesday 23 march 2016 - lotteries
A: Swiss Lotto lottery numbers - Wednesday 23 March 2016 - Lotteries
Problem: over the last three years, we have designed a new system of financial regulation.
Can you repeat this sentence, but capitalize it?
Answer: Over the last three years, we have designed a new system of financial regulation.
Text: stand on the middle of the elastic band, a handle in each hand.

Correct capitalization: Stand on the middle of the elastic band, a handle in each hand.
Text: with free wi-fi and a/c, this central hotel offers attractive rooms in the heart of brussels, just 400 metres from...

Correct capitalization:
With free Wi-Fi and a/c, this central hotel offers attractive rooms in the heart of Brussels, just 400 metres from...