.Slang words (俚语) are made _____ special groups,such as workers and musicians.
----How is your grandmother? ----She____ for many years.
---What about____ passage? ----It’s too difficult____ passage for me.
---How do you like your Chinese teacher? ---_____.
----Are you sure it’s going to snow this weekend? ----_____.
----Bruce works very hard. ----_____.