He made a serious mistake, but he took immediate action to change that ______ it got worse.

The new School Safety Guidelines states that under no circumstances _______ leave the campus alone.

It’s 9 o’clock now. I must go.—It’s raining outside. Don’t leave ________ it stops.

Without her glasses, she was ________ blind.

Could you turn the TV down a little bit—______. Is it disturbing you