阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。

    Basketball is still a young game. It's over a hundred years ____. In the winter of 1891, a certain college was having some trouble with its boy students. The weather was so bad ____ the students had to stay inside. As they couldn't play outside, they were ____ (happy), and some even got into fights from time to time.  

    At the college, a teacher ____ (call) James Naismith was asked to invent a game so that the students might have something to play with in cold winters. ____ was not easy to invent such a game because it had to be played inside, and the court (球场) was not very large.

    Dr. Naismith thought for a few days and invented ____ kind of ball game. It was a fast, wonderful game with much moving and passing of the ball. It was played ____ two teams. To make a score, the ball had to ____ (throw) into the basket ten feet above the floor on the wall. 

    At each end of the court there was such a basket. At first, Dr. Naismith wanted to throw the ball into a box. As he could not find ____ (box) of the right size, he had to use fruit baskets instead. That is ____ the game got its name. And now it has become one of the most popular sports in the world.