Look at B and C on the vocabulary section. There is one mistake in each of these sentences. Correct the mistakes.

1. Please find attached a document overviewing your working conditions.
    
2. In some companies the leaving period can be as much as six months.
    
3. I’m going to be working as a superior, in charge of a team of 4 people.
    
4. The company doesn’t do any in-office training. It’s all done externally.
    
5. My begin date for the new job is 1 July.
    
6. I’m a trainer accountant. I haven’t passed my qualifying exams yet.