The interview is like an informal and formal one. A lot is expected to an interview. It doesn't really have to be formal or not because everything is subjective. It is informal compared to an essay. It is formal compared to a speech.
1. ‘Come here’ the head master ordered
2. Haria said ‘all the shops are closed today’
3. The clerk says ‘wait for a little while’
4. ‘Seen my glasses anywhere?’ Grandma asked
5. ‘A senior officer is working on this case’ the police officer said
not sure about 7
B. adapted. It is the word that makes the most sense in the context of the sentence.