题目

题型：不详难度：来源：

. We all demanded the new type of machine ____________   put into use as soon as possible.

A．refer to

B．referred to be

C．refer to be

D．referring be

答案

B

解析

本题考查虚拟语气。句中referred to作定语，修饰the new type of machine。动词demand接从句，从句用should +v原形，should可以省略，故选B。句意：我们都要求新型的机器尽快的投入使用。