Has all that without delay yet? A. can do-being done B. done-been done C. ought

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

试题答案

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。