用括号内所给词的适当形式填空（每空不限一词）。
The ______(thirty-one) Olympics will be held in Brazil（巴西）in 2016.
It was ______ (care) of Jim to leave the tap running all night.
–Which do you think is ____ (valuable), time or money?
--Time, I think. When time is gone, it never comes back.
Usually, books for children _____(write) in simple languages.
—Could you tell me how _____(succeed) in making a speech in front of people?
--Be confident. That’s the point.