问题描述：
关于动词不定式的被动形式的问题
We entered the strenge room,noticing there is a letter yet to__
是填to be finished 还是to finish呢?
为什么答案是to finish呢?
We entered the strenge room,noticing there is a letter yet to__
是填to be finished 还是to finish呢?
为什么答案是to finish呢?
问题解答：
我来补答展开全文阅读