A: Hi, David. Would you please do me a favor? B: Yes, please. A: Please help me to move the table into the room. B: No problem. A: Here we are. Thank you very much. B: It's my pleasure. A: Excuse me, will you lend me ___? B: With pleasure. A: Will you ____ take the exercise books into the teachers' office? B: That's ok. A: _______ B: You are welcome.