题目内容：

根据短文内容，从下面方框中选择适当的词或词组填空。

are interested in ,  work out ,    a lot of ,  as well ,    improve

Chinese kung fu has already taken the central stage in the sports world.1.foreign pioneers are starting to learn it. They2.it because kung fu can nurse a person’s body and mind. By practicing it, people can find the peace from the heart and they can face the world more bravely3.. There are lessons for kids between 5 and 16 in more and more foreign Chinese kung fu schools. Kung fu can4.children’s self-confidence. At the same time, they can learn to5.difficult situations with bad strangers.