Two thirds of the city ____ green trees.It's really a green and beautiful cityA.cover with B.covers with C.is covered with D.are coveredwith

Two thirds of the city ____ green trees.It's really a green and beautiful cityA.cover with B.covers with C.is covered with D.are coveredwith
Two thirds of the city ____ green trees.It's really a green and beautiful city
A.cover with B.covers with C.is covered with D.are coveredwith

Two thirds of the city ____ green trees.It's really a green and beautiful cityA.cover with B.covers with C.is covered with D.are coveredwith
C.is covered with

选C

选D .two thirds 是复数。