.-----It was careless of you to have left the hourse without turning off the gas-----My god! _______
Please remain ______; the winner of the prize will be announced soon.
In our school students are _______ according to how much they know and how old they are.
I was_______ about it. I thought you were responsible and that’s why I scolded you. Please forgive me.
Every possible means ______to prevent the air pollution, but the sky is still not clear.
I have no _______ to the plan, so long as it would not cost too much.