选用方框内所给的词的适当形式填空。

develop    invention    go    home    lucky

Computers are one of the greatest ___________ in the world.
The heavy rain stopped us from ________ out yesterday.
With the __________ of China, many children can get a good education.
He fell off the bike, but ________, he was not hurt.
It’s said that the flood has made millions of people __________.