Almost everyone has a hobby. A hobby can be【C1】______people like to do in their spare time. A hobby can【C2】______them with interest, enjoyment, friendship, knowledge and【C3】______It can be something【C4】______they learn more about themselves or about the world. It may introduce them to friends who share their enthusiasm and from whom they can also learn. It helps both manual【C5】______mental workers relax after periods of hard work. It also offers interesting and enjoyable【C6】______for retirees.【C7】______, it can benefit people’ s mental and physical health. Different people have different hobbies. People who【C8】______hobbies are hobbyists. Some paint pictures, sing pop songs,【C9】______on musical instruments and enjoy【C10】______coins or stamps: others【C11】______flowers, go fishing, hunt animals or spend their time【C12】______sports: climbing mountains, swimming, skating and playing【C13】______. Anyone, rich or poor, old or young,【C14】______or well, can follow a satisfying hobby,【C15】______his age, position, or income. 【C16】______for me, I like sports very much. Sometimes I play tennis or badminton or go swimming. Sometimes I exercise【C17】______and go running regularly in the morning.【C18】______I choose, if I exercise regularly, I will be sure to【C19】______and improve my health【C20】______my life.【C5】