Question

they have started the campaign change to passive voice
guys give answer​

Answer 1

${\Huge{\fcolorbox{pink}{yellow}{ELLO}}}$

${\Huge{\fcolorbox{pink}{babypink}{UR ANSWER}}}$

the campaign started by them

${\underline{\boxed{ {\bf{50}} \ {\sf{thanks}} \implies {\underline{\underline{ { \red{\mathbb{INBOX}}} }}} }}}$

Answer 2

Answer

They started a campaign

hope it is helpful. If it is the incorrect answer I am very sorry.