用所给词的适当形式完成短文

   A hobby is a special interest or an activity that people like to do in their free time．Most people in Britain have their own(hobby)．

   Some people train dogs to race or keep pigeons(鸽子)(carry)messages．Some people are crazy about plants．They put many  (kind)of beautiful flowers in their kitchens and living rooms．(other)are mad about their cars or motorbikes．They spend their weekends(wash)them，painting them and trying 

(make)them go faster．Children and teenagers are  (interest)in collecting things．They collect stamps，postcards or pictures of a favourite pop star．

   (learn)something new is also people's hobby．Some people go to evening classes to learn  (dance)，body building，bread making and so on．Some people learn these things by (they)．