my job is to do还是doing

my job is to do 还是doing it is my job doing/ to do? 类似my job/ambition/dream is to do sth 或doing sth 或to doing st your job is to do + it's your job to do+your job is doing吗 It is my hobby+ to do还是doing My hobby is ( ) 是填to do还是doing? My job is to clean the street为什么要用to do而不用doing?具体说明.my favo is committed to do 还是to doing try my best to do 还是doing it is fun to do 还是 doing? my hobby is 后面加的是doing还是to do? 是my ideal is find a job还是my ideal is to find a job