The Volta River is one of the most beautiful rivers in Russia. It is famous for A ______ length, and width. It is one of the most important rivers in Russia. People call sure that B _______ knows about this river. People call the river Volga Matushka (Matushka means Mother in Russian) because it C ______ a great role in the history, culture, and lifestyle for a long time. The Volga River D _______ in the Valdai Hills which are in the north-west of central European Russia. The Greek geographer and writer Ptolemy wrote about the Ra River (as the Volga River was known in Ancient Greece) in his book. It is one of the E ______ books on geography.