问题
选择题
As a result of destroying the forests, large ____ of desert ____ covered the land.
A．number; has
B．quantities; has
C．number; have
D．quantities; have
答案
答案：D
考查主谓一致。Large number of 后面要跟可数名词复数，而desert是不可数名词，排除A,C；large quantities of+不可数名词作主语，谓语动词和quantities保持一致，要用复数。所以选D。