Large quantities of water (need)______for cooling purposes.are needed由kind，form，

游客2023-09-25 48

问题 Large quantities of water (need)______for cooling purposes.

选项

答案 are needed

解析由kind，form，sort，type，species，portion，series，quantity + of修饰主语时，其谓语形式取决于这些词本身的单复数而不是后面跟的名词。series和species无单数形式，其单复数形式取决于修饰它们的数词。

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