Who did this ? Change the voice
AThis was done by whom ?
BBy whom was this done ?
CBy whom is this done ?
DNone of these
AThis was done by whom ?
BBy whom was this done ?
CBy whom is this done ?
DNone of these
Related Questions:
Spot the error
(a)The street of Delhi / (b) were thronged/ (c)by / (d) the common people / (e) no error.
Change into passive form .
Respect your elders.