They come into the library to be quiet.

问题描述:

They come into the library to be quiet.

不正确吧。。。如果这样翻译过来的话就是他们去图书馆是为了保持安静。。

不对.

正确,不太合逻辑

不对, 不定式不对

错了 应该改为
They come into the library quietly