1、Mary said ,“Everything has changed for the better.”
Mary said（that）everything（had）（changed）for the better .
2、Our teacher told us .“The earth moves around the sun.”
Our teacher told us（that）the earth（moves）around the sun .
3、Tom asked ,“Does Lucy study in this school ”
Tom asked（if）Lucy（studied）in（that）school.
4、Ann asked,“What time will they come back tonight ”
Ann asked（what）（time）they（would）（come）back（that）night.
5、“Don’t park your car here”,the policeman said to me
The policeman （told） me （not）（to）（park）（my）car（there）.
6、Lucy asked,“Can you finish the work on time ,Jim ”
Lucy asked Jim（whether）（he）（could）（finish）the work on time.