He is _____ tearing up what he has written and beginning over again.

He speaks English well indeed, but of course not ______ a native speaker.

I’m certain David’s told you his business trouble. ________, it’s no secret that he owes a lot of money to the bank..

On snowy days, you have to drive very ________ to avoid traffic accident.

It was ____ loud music that we couldn’t hear ourselves speak.