How should this sentence be changed?
look at this fossil i bought it at the gift shop in the museum of natural history.

add a comma after bought

no change needs to be made to this sentence

add a period after fossil

add a comma after fossil

beowulf sets out on his journey for daneland. -- 1

hrothgar welcomes beowulf. -- 2

beowulf waits for grendel to attack heorot. -- 3

beowulf succeeds in defeating grendel by tearing off his arm. -- 4

beowulf fights with grendel’s mother. -- 5

beowulf sets out for his fight with the dragon. -- 6

beowulf sets out for his geatish homeland. -- 7

its hard for me to see which word is supposed to be in bold. if i knew then i would be able to better.