Is necessary the workers wear uniforms at work?A. it for B. this to C. it that

问题补充：

Is necessary the workers wear uniforms at work?

A. it, for B. this, to C. it, that

答案：

解析：句意：对于工人们来说上班穿制服是有必要的吗？It is +形容词+for sb to do 对于某人来说做某事是怎么样的，故选C。