A sentence has been given in Active Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive Voice.
We have announced the date for the engagement ceremony.
1
The date for the engagement ceremony was announced by us.
2
The date for the engagement ceremony has been announced by us.
3
The date for the engagement ceremony was being announced by us.
4
The date for the engagement ceremony is announced by us.