题目内容
— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.
A. has been released B. is being released
C. was released D. have been released
D
【解析】
试题分析:句意:--这个化工厂为什么被关闭了?--因为大量的废水被排放到长江里面。a quantity of+可数名词复数时,谓语用复数;+不可数名词时,谓语用单数;large quantities of大量的......,后加不可数名词或可数名词复数,谓语统一用复数形式,排除A、B、C,故选D。
考点:考查主谓一致
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