The discovery of gold in Australia led thousands to believe that a fortune______.

My uncle _____ in Taiwan for 20 years. Now he has settled down in mainland.

____ to hospital in time, the wounded soldiers were saved at last. 

 From the next term, parents ______ e-mails instead of letters, to be informed of their children’sexam results.

When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.