把下列句子变成间接引语
问题描述：
把下列句子变成间接引语
"Where dose Mr.Lui live?"Do you know.
"What should we do to protect our feet from the rough stone?"please tell us.
"who discovered the element radium?" the boy asked.
"Have you finished your homework" the teacher asked the boy.
答
1 Do you know where Mr.Lui lives
2 Please tell me what we should do to protect our feet from the rough stone
3 The boy ask who had discovered the element radium
4 The teacher asked the boy if /whether he had finished his homework第二句 Please tell us 开头行不行？可以。SORRY，是我打错了，就是Please tell us开头