Please capitalize where necessary: these user pages have been visited 6057 times since 4/7/2011.
A: These user pages have been visited 6057 times since 4/7/2011.

Please capitalize where necessary: it is natural that your opponent will be the computer.
A: It is natural that your opponent will be the computer.

Please capitalize where necessary: it made it difficult for the industrial development.
A: It made it difficult for the industrial development.

Please capitalize where necessary: for some, they find sporting finer strings of hair in as early as two weeks.
A:
For some, they find sporting finer strings of hair in as early as two weeks.