I like getting up early in the morning. You know 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：考查固定句型，Sb/sth is adj +to do句型中不定式主动表被动，句子意思“我喜欢早上早起，你知道早上的空气很好可以很好呼吸”所以选B