_______ Japan’s nuclear crisis will be solved in 2011 is not known yet.

下列各句中划线的词语，使用恰当的一句是（ ）（3分）

I don’t mind telling you what I know.—You _________. I’m not asking you for it.

Education helps open the mind and provides possibilities that a person ______ otherwise.

It is required that the plan________ out firmly.