Peter read a book about living in the future.(改为一般疑问句）I don't think he can play the violin well.(改为反意疑问句）I spent five yuan buying the school .(同义句转换）John is too young to go to school .(同义句转换）He's going to look after his granda .(同义句转换)

John and Mike are doing homework.这个变为一般疑问句或否定句要把and改为or吗

Did Peter read a book about living in the future?
I don't think he can play the violin well, can he?
it cost me five yuan to buy the school
john is so young that he can not go to school
he will take care of his grandma.

Did Peter read a book about living in the future?I don't think he can play the violin well,do It cost me five yuan that to buy the school.John is so young that he can't go to school.He's about to look...

Did peter read a book about living in the future?
I don't think he can play the violin well, can he?
It cost me five yuan to buy the school.
John is not old enough to go to school.
He's going to take care of his grandpa.