选择恰当的词填空.
I me my you your he him his
"I'm going to the airport to meet your uncle,Billy.Here's twenty dollars.It's for_breakfast.I'll come to pick___up after school,___dear."said Mrs.Li.
Mrs.Li went to Billy's school in the afternoon.Billy was sick.
"What happened?"asked Mrs.Li.
"Billy ate the twenty dollars."said the teacher.
"Why did____do that?"
"He said____mother gave it to him,and told____it was for breakfast."