—I'm sorry, I shouldn't have been so rude to you. —You _____ your temper but that's OK.
_____ worries me is _____ we’re going to pay for all this.
I’m afraid we can’t have coffee; there’s _____ left.
The classroom is almost empty, where is _____?
Don’t go to _____ places where there is no fresh air.
Energy is ____ makes one work.