He is very_____; it is impossible to talk him into doing anything he doesn’t want to.

Just_____ those thoughts from your mind——they’re crazy and not worth thinking about．

(2013·烟台高三联合测试)As the train ran faster and faster，the lights of the city were soon ________.

In manufacturing, cheaper materials are constantly being        for the better, more expensive kind.

In China people believe in the saying “out of debt, out of pressure”; however in the west, it is just the ______ — when you are in debt, you are trustworthy and financially capable.