The answers are as follow:
5. is B
6. is B
7. is D
Secondary source is more like say you were at home and your friends tell you about a Party in the phone he's giving you information since it weren't there
Remove the period after play and remove the comma after Monopoly.
Jennifer Aniston taught me how to play Monopoly however, I've beaten her three times in a row.
B. Cowboys are known as American cultural icons around the world.