Choose the correct word

1. We need a(n)
   [cheap|expensive] hotel. We don't have a lot of money.
2. My neighbourhood is really
   [quiet|noisy]. Sometimes I can't sleep at night.
3. Los Angeles is famous for its
   [exciting|boring] nightlife. Everyone enjoys it.
4. The streets in the city centre are really
   [dirty|clean]. There is a lot of rubbish everywhere.
5. The streets are
   [quiet|crowded] and there's lots of traffic.
6. There are some
   [dangerous|safe] areas in the city where you shouldn't go at night.