根据句意和汉语注释,写出单词的正确形式。
It was __________ (吹) really hard outside. A big tree came down.
The more careful you are, the fewer __________ (错误) you’ll make.
To build a civilized(文明) city, we need to make our __________ (社会) better.
What will a bear do when it is in __________ (危险)?