根据短文内容和所给中文提示，在空白处写出正确的单词，每空—词。

    Frank and Paul (是) my good friends. They like (运动). Frank thinks baseball is (有趣的). He likes baseball. Paul (喜欢) to play tennis. He (认为) tennis is relaxing. They don't play soccer, They think it's (困难的). Frank doesn't (观看) TV. He thinks it's boring. Paul (玩) computer games. He thinks playing computer games is fun. Frank and Paul (有) volleyballs. They like to play volleyball at (学校).