The security and warmth of the house were wonderful .（）

Safety regulations were not strictly obeyed in the factory, so this tragedy didn't happen ______.

The margin of safety helps management assess how far above or below the target profit the company is currently operating.

The Italians usually have big breakfast.

Of these two opinions, I prefer the ______ to the former.

The three main criteria for good Chinese food are: color, aroma and taste.