Choose the correct options

1. This actor is
   [successful|unsuccessful|successfully]. Nobody knows about him.
2. Your piece of advice was
   [useless|useful|use]. I got a promotion.
3. There are such unusual
   [inhabitants|habit|inhabit]
   in wild Asian forests. They live without technology.
4. [Traditional|Tradition|Traditionally], people cook pancakes in Russia to celebrate Maslenitsa.
5. The seller in the shop was
   [friendly|unfriendly|friend]. He didn't give a discount.
6. His
   [disappear|appearance|disappearance]
   shocked everyone. He still hasn't been found.