精选优质文档-倾情为你奉上they free until busy quite good finish learn luck enough manyMost people have their jobs. They go to work nearly every day. Some people are 1_.Either they have very interesting jobs or they make a lot of money. Most people are not so lucky. Either their jobs are not very interesting or they dont make 2_ money. The most interesting jobs are often the most difficult. People spend a long time 3_ how to do them. Doctors study for at least six