choose the suitable passive voice:
They had completed the work without much delay
a) The work was completed by them without much delay
b) The work has been completed by them without much delay
c) The work was being completed by them without much delay
d) The work had been completed by them without much delay
Ans: ( d )
They had completed the work without much delay
a) The work was completed by them without much delay
b) The work has been completed by them without much delay
c) The work was being completed by them without much delay
d) The work had been completed by them without much delay
Ans: ( d )