【题目】As a result of destroying the forests, a large of desert covered the land.
A. number, has B. quantity, has
C. number, have D. quantity, have
在线课程【答案】D
【解析】考查主谓一致：第一空填quantity，因为a number of修饰可数名词，第二空填has，因为a large quantity of修饰不可数名词，谓语和quantity的数保持一致，句意是：由于森林的毁坏，大量的沙漠覆盖了土地。选B。