THE____ IS THE LONGEST RIVER IN THE WORLD.(RED RIVER/NILE RIVER/ME...

389. - 500 CAU TRAC NGHIEM TIENG ANH 6 7
500 CAU TRAC NGHIEM TIENG ANH 6 7

389.The____ is the longest river in the world.(Red river/Nile river/Mekong

river/Bachdang river).