I like getting up very early in summer. The morning air is so good .A. to be breathedB. t

问题补充：

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

答案：

A. to be breathed

(答案→)B. to breathe

C. breathing

D. being breathed

解析：考查固定句型，主语+be+adj+to do，相当于it is+adj +to do sth主动表示被动，句子意思“呼吸早晨的空气很好”