补全对话A:Hello!May I speak to Mr zhang?B:I am sorry .( ).Could

A:Hello!May I speak to Mr zhang?
B:I am sorry .(He is out ./ He isn't in .).Could I take a message for you?
A:Yes,please.This is Mary a mother .I want to say something about Mary
(She is ill ./ She doesn't feel well .).I am afraid she can not go to school today
B:(I'm sorry to hear that .) I hope she will be better soon.
A:(Thanks a lot.).Could I leave my telephone number for you?
B:Ok .(Wait a moment / minute ./ Hold on ,please .).I will go and get a pen.Well your telephone number.please!
A:6839726,thank you very much
B:Bye