题目

题型：不详难度：来源：

Has all that ____ without delay ____ yet?

A．can do…being done

B．done…been done

C．ought to be done…to do

D．should be done…been done

答案

D

解析

选D。that should be done without delay是定语从句。其中that在从句中作主语。而将本句还原后主句为All has been done。