名词如: trousers, scissors, clothes, goods, glasses 等作主语时, 谓语动词必须用复数. 如: His clothes are good. 但这些名词前若出现 a pair of , 谓语一般用单数.如: A pair of glasses is on the desk. 桌上有一副眼镜. 查看更多

 

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