把下列句子转换成间接引语大神们帮帮忙

He said they are still students.He said to me that he was burnt in 1978.The engineer said he was at college in 1967 He said he has studied English since he was a boy.She said she read the book while she was waiting for a bus.Mr.green said to them that Joe told him all about his story when he asked for a job.He said they insisted that she start immediately.She said that he demanded that the girl leave at once.I said to him that I have finished it.She said to us that she willl come here tomorrow.The young man asked Karen where the chemistry teacher live.The little boy said happly that he has gained the first place in the mathematics competetion.The physics teacher said to the boys and grils that light travels faster than sound.Mary asked me whether I will go to the concert with her this eveing.The old man asked my brother what did he do there yesterday.