______ of the land in that district ______ covered with trees and grass.
A. Two fifth…is B. Two fifth…are C. Two fifths…is D. Two fifths…are
______ of the land in that district ______ covered with trees and grass.
A. Two fifth…is B. Two fifth…are C. Two fifths…is D. Two fifths…are
C
“the number of” 表示“……的数量”，谓语用单数；“a number of”表示“许多”，谓语用复数。