________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
A.Two fifths; are | B.Two fifths; is | C.Two fifth; are | D.Two fifth; is |
________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
A.Two fifths; are | B.Two fifths; is | C.Two fifth; are | D.Two fifth; is |