I 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
网友回答
A. to be breathed
(答案→)B. to breathe
C. breathing
D. being breathed
解析：考查非谓语动词。breathe的逻辑主语是I，I与breathe是主谓关系，不能用被动，排除A、D。动词不定式可以跟在某些形容词或动词后作原因状语。故选B。