Viết lại các câu sau sao cho nghĩa không đổi

1.do you have a better refrigerator than this ?
= Is this .............................................
2.my house is the oldest house on the street.
=no houses.......................
3,do you have a cheaper computer than this?
= is this................................
4 .this book is the same thickness as that one.
= this book is as..................................