题目内容：
Everyone has hobbies. A hobby can be almost anything a person likes to do in his spare time. People who take up hobbies are hobbyists. They paint pictures, sing pop songs, ___1___ music instruments and collect stamps or other things. They grow flowers, ___2___ fishing and hunting. They climb mountains, swim, skate and play games. People today have ___3___ time than ever for hobbies. In early times, people were ___4___ busy making a living to have hobbies. Nowadays machines have taken the place of many workers. More people retire at an earlier age. They have hobbies ___5___ these activities offer them enjoyment, friendship, knowledge, and relaxation. 第五空
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