问题
选择题
— Why does the lake smell terrible?
— Because large quantities of water ____.
A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
答案
答案:D
题目分析:考察主谓一致。large quantities of许多,大量;该短语既可以修饰可数名词,也可以修饰不可数名词;做主语时,谓语动词使用复数形式。本句的主语是large quantities of water,故后面的谓语动词使用复数形式。句意:大量的水都被污染了。故D正确。
点评:固定搭配large quantities of许多,大量;该短语既可以修饰可数名词,也可以修饰不可数名词;做主语时,谓语动词使用复数形式。