question: this model flew for the first time in april 1942 and 140 of them were built.
Capitalize this past sentence correctly.
A: This model flew for the first time in April 1942 and 140 of them were built.

question: the soul is invisibly present in it, but take away it, and it will cease to be human. life, sometimes, sometimes, unfair and cruel.
Capitalize this past sentence correctly.
A: The soul is invisibly present in it, but take away it, and it will cease to be human. Life, sometimes, sometimes, unfair and cruel.

question: if you're ready to try out intivar cream, all you need to do is visit the intivar official site online to place your orders.
Capitalize this past sentence correctly.
A: If you're ready to try out Intivar cream, all you need to do is visit the Intivar official site online to place your orders.