用方框中所给词语的适当形式填空，每词限用一次。

upstairs     on time    busy   hundred    discuss

The weather was fine, so the sports meeting were held _________.
________ of years ago, there were no computers or mobile phones, but people still lived a happy life.
Finally, the _______ was mainly about three important problems.
They all worried about the people who lived ________.
The _______ I am, the happier I will be.