The flight would have proven futile, had The Shadow followed his advantage.
A late flight to Oslo and a room there proved obtainable.
His flight did prove that a heavier-than-air flight was possible.
Titov's flight finally proved that humans could live and work in space.
His flight proved to be a major mistake, for it was widely seen as an admission of guilt.
These flights proved very useful and two more were soon added.
Perhaps, if flight proved easy, Mocquino might decide to let the prisoners go.
Its next flight, on 7 July, proved to be its last.
Again she had to fight to bring herself under control; headlong blind flight that would in all probability prove fatal.
To some degree, he had to play the role of Fondelac; even more, he wanted to know that flight would prove sure.