用方框中所给的单词的适当形式填空，每词限用一次。
story,  wait,  leaf,  child,  rain
Look! Some _______________ are playing games in the park.
It is humid here, because it often _________.
The trees are thick with ________.
Anna is a reporter, and she often writes ________.
Mr. White is _______ for Bob to answer his questions.