根据句意或汉语提示，完成下列单词的拼写，使句意完整准确。每个单词的第一个字母已给出。
If you have something to ask, please r________ you hands.
I want to go to college when I g________ from high school.
I'm sorry to leave the book at home. Just a minute and I have to f________ it.
根据句意及首字母提示补全单词
We must know the i______ of saving the endangered animals.
English is now used by a q______ of the population in the world.
Today English is essential for t______ in the countries all over the world.
You can see all kinds of advertisements in our e______ life.
Mr Tong is the richest man in our town.
He o______ three big houses, two cars and two restaurants.
Don't give up English no m______ how difficult it is.
English is spoken w______ you go in the world.