英语翻译w;Have you found your book yet?m:I am not sure what I ha

英语翻译
w;Have you found your book yet?
m:I am not sure what I have done with it .
Q;Did he say that he found where his book was?
w:I'm sorry I caused your uncle so much trouble.
m:Don't woryy about it .He is the sort of man who is never happy unless he has something to complain about.
Q:What can we learn about the man's uncle from this conversation?