--- Why do you suggest we buy a new machine? --- Because the old one has been damaged ___________.
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.
Don’t use words, expressions or phrases _____ only to people with specific knowledge.