--Has Billy finished his homework today?--I have no idea. He ______ it this morning.
—The trip shouldn’t take more than an hour. —_______.it is at least two hours.
As many as five courses are provided, and you are free to choose ______ suits you best.
He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system.
Hot _______the night air was, we slept deeply because we were so tired after the long journey.
If my car _________more reliable, I would have driven to Lhasa instead of flying last summer.