In English, using polite requests can enhance communication. Politeness is conveyed through phrases like 'Could you please...?'
'Could you...?' is used as a polite way to ask for something. In the given conversations, complete the requests by making them polite using phrases like 'Could you please...?' or 'Would you mind...?'. For example, in response to 'I'm going to the library,' (B) could say, 'Could you please pick up a book for me?'
https://brainly.com/question/42275305