I have known the new student two days改为同义句

I have known the new student two days改为同义句 I have two pencilboxes on the desk.(改为同义句) 英语:变为同义句:We have two new students in our class 改为:i()()pictu I spent two days in completing the project(改为同义句） All the student have new books (同义句） 同义句 Two days ago,I was surprised at the news.Two days ago,I I don't have time these days 改为同义句 We have known each other for two years如何改为同义句? New york is the biggest city I have ever visited.改为同义句 I hav new york is the biggest city i have ever visited(改为同义句) New York is the biggest city I have even visited.（改为同义句） I have two pencil boxes on the desk.（改为同义句）