when and where to build the new factory__ yet.is not decided has not decided谓语动词为什么用单数?

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when and where to build the new factory__ yet.is not decided has not decided谓语动词为什么用单数?

when and where to build the new factory__ yet.is not decided has not decided谓语动词为什么用单数?
when and where to build the new factory__ yet.is not decided has not decided
谓语动词为什么用单数?

when and where to build the new factory__ yet.is not decided has not decided谓语动词为什么用单数?
A 用单数是因为 to build 这个不定式作主语了,when and where 只是不定式的两个状语.不定式作主语,可是要用单数谓语哟!

B, has not . yet.. 是一种固定的搭配.还没有的意思. is not decided 选择B 句意为:这家新工厂建在哪里,什么时候建还没有决定。分析