Directions - A sentence is given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Active/Passive voice.
Who built these lovely bridges and canals?
1
These lovely bridges and canals were built by whom?
2
By whom was these lovely bridges and canals built?
3
By whom were these lovely bridges and canals built?
4
These lovely bridges and canals was built by whom?