The Granary was first used as a cemetary in 1660 and got its name because it was next to a grain storage building.

Question

What change should be made to sentence 9?

Change its to it’s
Change cemetary to cemetery
Add a comma after 1660
Add a comma after grain

Answer 1

In 1660, The Granary, which was used as a cemetery, was adjacent to a building that stored grain, for which it's named. 

Answer 2

The Granary, which received its name because it was next to a grain storage building was originally used as a cemetery in 1660.