put out ; fight for ; have it in mind ; work for ; make discoveries; make a contribution to;
save people's lives; make a difference; protect the environment; in the face of
（1）
It took firemen several hours to fires.
（2）
The police showed the bravery danger.
（3）
At the present time, pollution is becoming very serious and it is very important for all of us to .
（4）
Nowadays many famous people spend a lot of time charity.
（5）
As an inventor, Edison created a variety of useful things and mankind.
（6）
Lucy is strong-minded. Once she to win the award, nothing would stop her.
（7）
When it comes to your general health, where you live can .
（8）
He decided to justice, freedom and equality as long as he lived.
（9）
Groups of doctors and nurses were sent to in the earthquake of Wenchuan.
（10）
Scientists have succeeded in about the stars in the universe.
