____is certain is ___prevention is more important than treatment .
—Professor Johnson, I'm afraid I can't finish the report within this week. — __________. How about next week?
I’ m afraid he ’s more of a talker than a doer, which is __________ he never finishes anything.
—I probably shouldn’t have any more cake. —Oh,__________. It won't kill you.
All visitors to this village __________with kindness.
One Friday, we were packing to leave for a weekend away __________ my daughter heard cries for help.