问题
选择题
. 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
答案：B
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。