Which of the sentences (1–4) are O (opening) and which are C (closing) remarks for a letter of advice?

Ответ:

O (Opening remarks):

• 1. I'm sorry you feel that way. I think I can help.
• 4. Here's what you can do.

C (Closing remarks):

• 2. Let me know what happens.
• 3. I hope everything turns out for the best.