选择正确的人称代词填空 I me my you your he him his

选择正确的人称代词填空 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."saiod the teacher.
Why did _____do that "
"He said _____mother gave it to him,and tild_____it was for breakfast."