Contributions here can be:

Spoken interaction

• recordings of conversations and discussions you prepared in cooperation with your schoolmates
• recordings of interviews and radio programmes you take part in
• various materials aimed at preparation for oral interaction (functional language handouts, vocabulary lists and exercises aimed at various topics)

Spoken production

• recordings of presentations and talks you gave or prepared
• digital stories
• presentations
• materials aimed at preparation for oral production (functional language handouts, vocabulary lists and exercises aimed at various topics)
• reflection on specific interactions in English

According to B2:

You can interact quite fluently and spontaneously and take an active part in discussions on familiar topics. You can give detailed descriptions and explain opinions quite precisely.