question: in addition, royal authority began to degenerate, so that eventually there was less and less difference between kings and ordinary people.
Capitalize this past sentence correctly.
A: In addition, royal authority began to degenerate, so that eventually there was less and less difference between kings and ordinary people.

question: the real cause for the hickup reflex is unknown, but foetuses can have the hiccups as early as at the age of two months, and therefore some researchers believe that by having the hiccups they train their sucking function.
Capitalize this past sentence correctly.
A: The real cause for the hickup reflex is unknown, but foetuses can have the hiccups as early as at the age of two months, and therefore some researchers believe that by having the hiccups they train their sucking function.

question: when choosing a football game there is only really 2 choices.
Capitalize this past sentence correctly.
A: When choosing a football game there is only really 2 choices.