a structure for crossing a river that starts with the letter "B" is a bridge!
Brachiosaurus is a dinosaur. It begins with the letter B.
The Beni River is in Bolivia. The Beaufort River is in South Carolina.
brenda
Begonia
Boston
blast
Bob, Brianna.
The Bermejo River flows from Bolivia into Argentina. The Barrancas River is in western Argentina. The Belgrano River is a river in Argentina.
Bewitched
Buick Bentley.
His name is Barry.