疑问词加to do是什么语法(疑问词todo)
疑问词加to do是什么语法(疑问词todo)题中有yet干扰,易选C。C: has not decidedD: have not decided
When and where to build the new factory ______ yet.
A: is not decided
B: are not decided
C: has not decided
D: have not decided
题中有yet干扰,易选C。
解析:“疑问词 to do sth.”作主语,谓语动词用单数形式,与不定式短语作主语,谓语动词也用单数形式相同。由此可以排除B D; decide 与 when and where to …存在着逻辑上的动宾关系,表被动,故应使用被动语态,因此该题正确答案为A. 如果C项为has not been decided 则也正确。答:选A