Question

It's ___impossible for us to finish the work in such a short time.A,this B,it为什么选B.

请问空格中应该填什么单词，谢谢

Answer 1

应该不填。句首的it是形式主语，指代后面不定式的内容 “to finish the work in such a short time”。所以这句话可以改写成 to finish the work in such a short time is impossible for us.句子本身完整，不需要再添加任何东西了。