根据对话内容与上下文，在空白处填入适当的句子，使对话意思完整。
A: Hello, 6817502. B: Hello. ______________________________________________________? (1)
A: Sorry, _______________________________________. (2) This is Jim's mother, Mrs Green. Can
I take a message?
B: That's very kind of you. This is David, Jim's friend. I ask him for some Chinese stamps. He told me
he had got some last week.
A: OK. I will tell him about it. Would you like him to call you back later?
B: Well, I won't be at home today. My mother is ill, so I must go to the hospital to look after her. Would
you please ask him to ring me tomorrow morning?
A: Oh, ________________________________________________.(3) I'll let Jim know it. By the way,
______________________________________________?(4)
B: Oh. My phone number is 6877242.
A: 6877242, right?
B: Yes, that's right. Thanks a lot.
A: _____________________________________________________________.(5)
