One thing is clear,that we must work together to make sure our ai_英语解答

One thing is clear,that we must work together to make sure our air is fit ___ A.to be breathed
B.to breathe
C.breathing
D.being breathing

人气：133 ℃　时间：2019-11-05 02:16:35

解答

选B.be fit to do sth 适合做某事.不能用被动.我是英语专业的,