question: about n1 : chinese characteristics jewelry pouches(10 pieces per group)
Capitalize this past sentence correctly.
A: About N1 : Chinese Characteristics jewelry pouches(10 pieces per group)

question: if your pc opens the dcp file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating dcp file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the DCP file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating DCP file extensions with the wrong software program.

question: he married princesses from egypt and many neighbouring tribes and had hundreds of lesser wives, so that in his day, too, racial segregation must have been unknown.
Capitalize this past sentence correctly.
A: He married princesses from Egypt and many neighbouring tribes and had hundreds of lesser wives, so that in his day, too, racial segregation must have been unknown.