question: all human beings on this planet are imperfect.
Capitalize this past sentence correctly.
A: All human beings on this planet are imperfect.

question: choosing imtoo dvd to 3gp converter means opening the door of enjoying your multimedia life! why not download it to have a try at once? the download is free!
Capitalize this past sentence correctly.
A: Choosing ImTOO DVD to 3GP Converter means opening the door of enjoying your multimedia life! Why not download it to have a try at once? The download is FREE!

question: get alerted before you approach police, accidents, road hazards or traffic jams, all shared by other drivers in real-time.
Capitalize this past sentence correctly.
A: Get alerted before you approach police, accidents, road hazards or traffic jams, all shared by other drivers in real-time.