3条句型转换
1、It's impossible for us to arrive there in two days.(同义句)We are ____ ____ arrive there in two days.
2、Most birds go to Zhalong for a short stay.（划线部分提问）划线部分：for a short stay.____ ____ most birds go to Zhalong?
3、Yancheng Nature Reserve is over 4530 square kilometres in area.（同义句）Yancheng Nature Reserve ____ ____ ____ ____ more than 4530 square kilometres.