_________ to 100℃, water will boil.
The old couple decided to ______ a boy and a girl though they had three of their own.
The time he has devoted in the past ten years_________the disabled is now considered__________ of great value.
His silence at the meeting suggested that he _________ to your plan.
The Committee had met many times, but had not come up with __________ to the problem.
—I don’t think you can manage it. —That __________!