Question

How did you do it? into passive voice​

Answer 1

My guess is this...

Step-by-step explanation:

How was it done by you?

probably wrong but....hope i helped :)

Answer 2

I'm guessing you want to keep a straight face while asking How did you do it? passively.

Step-by-step explanation:

Just keep your face straight, think of something serious but not to serious. something that you know that you can keep a firm smug face on