______ is the longest river in the United States and known as Father of Waters.A．The Waika

The longest river in Britain is _____________.A.River SevernB.River ThamesC.River Missis

The Changjiang River is one of ______ in the world.A、the longest riverB、longest riversC

______ is the longest river in AustraliaA．The Mississippi RiverB．The Murray RiverC．The Mac

______is the longest river in the U.S.A.A．Mississippi RiverB．Hudson RiverC．Colorado RiverD

The longest river in Australia is ______A．Waikato River.B．Severn River.C．Mackenzie River.D

The longest river in Ireland is______River.A．MississippiB．SevernC．NileD．Shannon