They have mixed the colours(Change into passive voice)
AThe colours have being mixed by them
BThe colours have been mixed by them
CThe colours has been mixed by them
DThe colours has being mixed by them
AThe colours have being mixed by them
BThe colours have been mixed by them
CThe colours has been mixed by them
DThe colours has being mixed by them
Related Questions:
Change into Passive Voice :-
Your character vexes me .