The experiment turned out to be______failure, but “_________failure goes before success” A a , a B /, / C a , / D / , a
——Did you know any French before you arrived in Washington? ——Never ____ it, actually.
Never before ___________in greater need of technical experts than it is today.
Only when _______ possible to settle the problem.
I’m afraid we can’t have coffee; there’s _____ left.
Mr Ascot, headmaster of the school, refused to accept ______of the three suggestions made by the Students’ Union.