根据汉语提示完成句子：
根据句意，用括号中所给词的适当形式填空，
I was feeling cold outside but warm inside， while the （北风） was blowing hard．
根据句意，用括号中所给词的适当形式填空，
Without an （身份证）， you can't go anywhere in today's world．
I agree． It's of great use．
根据句意，用括号中所给词的适当形式填空，
With great courage and effort， Liu Chuanjian， a national hero， （success） landed the plane， saving over 100 people．
根据句意，用括号中所给词的适当形式填空，
I have been running into a lot of troubles these days．
Take it easy． Problems and （worry） are normal in daily life．
根据句意，用括号中所给词的适当形式填空，
Boys and girls， safety comes first! It's important for you to learn to protect （you）．