Chuyển những câu dưới đây sang câu gián tiếp

chuyển những câu dưới đây sang câu gián tiếp:
1."don't leave the house until i get back,William',his mother said
William's mother told..................
2,"don't bite your nails", said Mrs.Rogers to her son
Mrs.Rogers told..........
3,"john,please don't tell anyone my new address" said Mary
Mary asked..........................
4,"do not write on the wall",said the teacher to the boys
the teacher told the boys..................
5,"if i were you,i wouldn't buy this car"
he advised.............
6,"this story happened long ago"he said
he said..............
7,"i have just recived a postcard from my sister" my friend said to me
my friend told me.............
8,"give me a smile" the photographer sid to me
the....................
CAO NHÂN GIẢI HỘ ;-;