________ many times, he finally understood it.
He hated the war so much that he decided to leave the army _____.
We suddenly saw the bus about to leave and had to run _____ to catch it.
Be careful how you _____ that jug, it will break very easily.
She felt _____ of having asked such a silly question when the audience couldn't help laughing.
After a short holiday, he _____ himself once more to his studies.