The boat______over the river.A．slidB．slippedC．skiddedD．glided

______is known as the "Old Man River".A．The ThamesB．The Mississippi RiverC．The Mackenzie R

Some ______ are swimming in the river.A、childB、boyC、boysD、childs

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

______is the author of A Bend in the River.A．Doris LessingB．George OrwellC．William Golding

They are building a bridge __________ the river.A. throughB. acrossC. on

The life boat______in case it is necessary to take off the crew of the damaged ship.A．has