I think two thirds of the materials I listened to at the beginning of the exam __ (be)easy.

问题描述:

I think two thirds of the materials I listened to at the beginning of the exam __ (be)easy.
我怎么觉得material 不应该有复数
material可数吗?

应该填is.
这里考察【主谓一致】.
主谓一致规定当主语被几分之几、部分、一系列等修饰时,不管主语名词可不可数,谓语动词一律用【单数】.
material作为材料讲时不可数.但是 作为素材,构成事物的因素讲时是可数名词.
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CLEAR?