10. 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
10. 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
D
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。