Please capitalize where necessary: china’s minister for water resources chen lei and ida auken signing the agreement during the 6th world water forum.
A: China’s Minister for Water Resources Chen Lei and Ida Auken signing the agreement during The 6th World Water Forum.

Please capitalize where necessary: the islay youth hostel is situated in the old warehouses.
A: The Islay Youth Hostel is situated in the old warehouses.

Please capitalize where necessary: before you can open a m0d file, you'll need to figure out what kind of file the m0d file extension refers to.
A: Before you can open a M0D file, you'll need to figure out what kind of file the M0D file extension refers to.

Please capitalize where necessary: it has several features that some claims make it one of the better web-based trading programs.
A:
It has several features that some claims make it one of the better web-based trading programs.