根据括号内的要求改写下列句子，每空一词，并把答案写在题后的横线上。
1．It is my first time to be in a plane，so I don’t know what I should do．(改为同义句)
It is my first time to travel by plane，so I don’t know what .
2．“I am popular at school”he said．(将直接引语改为间接引语)
He said popular at school at school．
3．What’s wrong with you?(改为同义句)
What’s with you?
4．He was reading a book on the playground．(就画线部分提问)
was he on the playground?
5．She said she could speak three languages．(将间接引语改为直接引语)
She said，“ speak three languages”
1． 2． 3．
4． 5．