I don’t think I am ; it is said that - is the mother of success.A. a failure; failureB. f

问题补充：

I don’t think I am ; it is said that - is the mother of success.

A. a failure; failure

B. failure; a failure

C. a failure; a failure

D. failure; failure

答案：

(答案→)A. a failure; failure

B. failure; a failure

C. a failure; a failure

D. failure; failure

解析： failure为不可数名词，失败，前面加a，指抽象名词具体化，意为失败的人或事，句意：我认为我不是一个失败的人，据说失败是成功之母。failure is the mother of success是一个谚语。所以选A。