Question

we asked them to keep to the left- change the voice​

Answer 1

Answer:

Active-

We asked them to keep to the left.

Passive-

They were asked by us to keep to the left.

Hope it helps

Answer 2

Answer:

THEY WERE ASKED TO KEEP TO THE LEFT BY US.

Explanation: SIMPLE PAST CHANGES TO WAS/ WERE + 3rd FORM OF VERB