Mr．Green's daughter，Lily，is only six years old．She is in her first year at school．She is good at using her（56）___and likes asking questions．One day，Lily was writing a paper for school．She didn't know（57）___to write the difference between unhappy and angry，（58）___she asked her father for help．Her father explained to her"It is mostly a matter of degree．"But Lily didn't understand the difference between them yet．Then Mr．Green said，"Let me show you what I （59）___．"
With that，Mr Green went to the telephone and felt free to dial a（60）___at once．"May I speak to Melvin，please？"The man who answered the phone replied，"There's no one living here（61）___Melvin．Why don't you（62）___numbers before you dial？"
"See，"said Mr Green to his daughter．"That man was not a bit（63）___with our call．He was probably very busy with（64）___ and we made him unhappy．Now watch，and you can catch what's the meaning of angry．"
Mr．Green dialed the number again，"Hello，is Melvin there？"asked Mr．Green．
"Now，listen here!"came the loud reply．"You just called this number and I told you that there's no Melvin here!Why have you called again!"The man（65）___the phone hard．
Mr．Green turned to his daughter and said，"You see，that was angry．"