【题目】1 like getting up very early in summer. The morning air is so good __________.
A. to be breathed B. to breathe C. breathing D. being breathed
在线课程【答案】B
【解析】当动词不定式作状语修饰作表语的形容词，并与句子主语之间构成逻辑上的动宾关系，这时动词不定式用主动形式表示被动意义。又如：The text is easy to understand.