新概念英语第一册练习册99~100课答案!

新概念英语第一册练习册99~100课答案!
RT,跪求!
速度!
把直接引语改为间接引语：
He says:"I feel cold."
She thinks:"I have got a cold."
I know:"I need an X-ray."
We know:"He can swim well."
They belive:"She is ill."
"I am sure.He will sell his house."
"I am sure.She is at home today."
"I'm sorry. She is ill."
"I am afraid.You are wrong."
I understand:"You need money."
我把题目发上来了。