emar
He has Proven to be not good enough as ../ has failed to be ,. Which should I use? The situation is. A person who has to show he can do a job well So the mentor's review could say: He has not proven to be / proven not to be/ failed to be I don't know which is better . Thank you
Nov 17, 2017 11:19 AM
emar
Language Skills
English, Spanish
Learning Language
English