Please capitalize where necessary: christmas comes early! time for new and exciting material.
A: Christmas comes early! Time for new and exciting material.

Please capitalize where necessary: do not forget: you cannot win a lottery prize if you have never participated in that particular lottery game.
A: Do not forget: You cannot win a lottery prize if you have never participated in that particular lottery game.

Please capitalize where necessary: each, according as he received a gift, to one another ministering it, as good stewards of the manifold grace of god;
A: each, according as he received a gift, to one another ministering it, as good stewards of the manifold grace of God;

Please capitalize where necessary: book about the traditional culture of greenland by ole g. jensen
A:
book about the traditional culture of Greenland by Ole G. Jensen