Unless _________ by the police, you should keep silent over the accident.
—I put him down for a well-educated man. —___________ ?—I mean that he's a well-educated man.
Don't be joking. It's time to____________ your business.
It may not rain, but you had better take an umbrella__________.
I'd like to be a professional singer, but I don't think I've got__________.
You should take the medicine after you read the __________.