题目

We are ____ ____ ____(对……感到兴奋）going to visit the Bird Nest
The ice is so thin that nobody can skate on in（同义句转换）
The ice is — thin --- --- ---

提问时间：2020-06-07

答案

We are very excited about going to visit the Bird Nest.
The ice is too thin to skate on .
为什么是 on in
第二个 too...to.句型,意为 太.而不能.