一道英语阅读题C这篇英语阅读我能读懂,但是不完全明白它其中蕴含的什么道理或含义.Shhhh!I tell you a s

一道英语阅读题C
这篇英语阅读我能读懂,但是不完全明白它其中蕴含的什么道理或含义.
Shhhh!I tell you a secret.I have a friend.His name is Skip.He
is standing by me.I can see Skip,but you cannot.Skip is invisible.
That means you cannot see him.I think he's a fun friend to have.
"Alan!Come here now!"
Oh!Mum is calling me.
"yes,Mother?" I said.
"Who is Skip?" asked Mum.
"Skip is my friend," I said
"Where is Skip?" asked Mum.
"He is here,"I said."Skip,meet Mum,meet Skip."
"Alan,there is no one there!" said Mum.
"Yes,he is there,"I said."You just can't see him,Mum.He is invisible."
"Well,Alan,both you and your invisible friend are in trouble for colouring on the walls."
"Ahhh,Mum!Can't you just punish Skip?"I asked.
"No,He's your friend,so you can help him clean the wall,"she replied.
1 Mum can't see Skip because he is not a real person.T or F
2 Alan got in trouble.T or F
3 The story is about Alan's dream to be an artist.T or F
4 If you are invisible,nobody can see you.T or F
（请用完整句子回答）
1 Who is Skip?
2 What is the problem in the story?
看我打得则会么辛苦的份上~如果可以的话,请告诉我这篇文章的含义和暗藏的道理.或者帮我解释一下一些问题为什么要这么回答.