Please capitalize where necessary: have you ever known a boxer who beats himself up, because i haven't?
A: Have you ever known a boxer who beats himself up, because I haven't?
Q: these rooms cannot accommodate an extra bed, but can accommodate one cot for a baby.

A: These rooms cannot accommodate an extra bed, but can accommodate one cot for a baby.
Q: players : 4 average : 261 points.
A: Players : 4 Average : 261 points.
Problem: the impacts of climate change are mounting.
Can you repeat this sentence, but capitalize it?
Answer: The impacts of climate change are mounting.
Text: that may sound simple enough; but the reality is that it is extremely difficult to build a crossover that does not color the sound and lets the the individual frequencies merge in the right way. apart from being hard to get the right sound out, multiway systems nomally require rather powerful amplifiers to produce the sound.

Correct capitalization: That may sound simple enough; but the reality is that it is extremely difficult to build a crossover that does not color the sound and lets the the individual frequencies merge in the right way. Apart from being hard to get the right sound out, multiway systems nomally require rather powerful amplifiers to produce the sound.
Please capitalize where necessary: by adding more files, when your memory card is full will make you lose files on memory card
A:
By adding more files, when your memory card is full will make you lose files on memory card