求下面的初一英语阅读短文回答问题!

求下面的初一英语阅读短文回答问题!
Peter is seven years old.He’s a student of Grade One.He doesn’t like
school.It’s Sunday today.The little boy doesn’t go to school.He is playing
with a ball near his house.His grandmother comes to him and begins to talk
about his school with him.
“Who’s the best student in your class,peter?”asks the old woman,“Of
course,I am.”Peter answers(回答).
“Why?”asks the grandmother.“In my class only I can answer my teacher’s
question.”“What question?”asks the old woman.“He often asks us,who doesn’t
understand(理解)me?Only I put up my hands(举手),”answers the boy.“And who is the
worst(最差的)in your class?”“Our teacher is.”“Why?”“He can’t answer the
easiest（最容易的）questions.”says Peter.“He always asks my class mates to
answer!”
1．What grade is Peter in?
2．Why doesn’t Peter go to school today?
3．Who is talking about the school with Peter?
4．Can Peter understand his teacher in class?
5．Who is the worst(最差的)in Peter’s class?