. You should ____ little Tom for his mistake; after all, he is a child.
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.
Scientists still wonder ______ cloning will help or harm us and _____ it is leading us.