200
Larry and Susan ride their bikes to the library. After parking their bikes in a rack, they rush inside to hear the librarian read a story. Next, they check out some books and place them in their book bags. Finally, they ride their bikes back home.
What did they do just before riding home?
a. They check out some books.
b. They put the books in their book bags.
c. They park their bikes.
b. They put the books in their book bags.