____ of the land in that district ____ covered with trees and grass.
A. One half; are B. Two seventh; is
C. A quarter; is D. Two thirds; are
____ of the land in that district ____ covered with trees and grass.
A. One half; are B. Two seventh; is
C. A quarter; is D. Two thirds; are
C
考查分数的表示法及主谓一致。此处land作主语，谓语动词用单数。