As far as the correction of errors is concerned, choose whic...

The areas teachers should focus on are spelling and pronunciation.

Teachers should avoid correcting students when they are engaged in a conversation or dialogue because the flow of ideas is disrupted.

In terms of speaking, features such as coherence, organization and development of ideas should not be part of the correcting process.

Every single error, serious or small, must be detected and corrected on the spot.

Teachers should identify students’ mistakes and make them practice those mistakes.