This ( )of keys isn't this.补充
This ( )of keys isn't this.补充
This pair of glasses isn't mine.
this just isn't
this isn't very interesting for most of us.翻译
翻译this isn't for the faint of heart
This set of keys ( ) in ( ) schoolbag
This set of keys _____ white .
You use this set of keys for
This isn't just the
This pair of glasses isn't my.(保持原句意思)This pair of glasses _
1.This room isn"t very big.It can't hold lots of people(改为同义
this man isn't good.all of us don't like him.we think he is