1.They are twins .They look like each other.（改为同义句）
They are twins .They _look the same__.
You have to leave at once.(改为否定句）
__You don't have to leave at once.____
Let's brush the dog's fur.(改为反意疑问句）
_Let's brush the dog's fur,shall we?__
I live in a very small flat.(对 in a very small flat提问）
_Where do you live?___
You don't have to feed her much.(改为同义句）
__You needn't feed her much.__