–--I play high-temperature Yoga in the gym every Sunday.
---- Good habit, but the air in the gym is bad .
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：本题考查非谓语动词。breathe和air之间虽然是动宾关系，但在主系表结构中,当表语形容词为good, light,heavy, difficult等时,其后常用不定式作状语,表示时间,原因,结果等,且常用主动形式表示被动意义。