_______ the composition, John handed it to the teacher and went out of the room.
The bridge is so important to the people here that once ________ it must be carried out without delay.
They tried to prevent the damage ________ their cattle.
His father disappeared, ________ two children and never _______ from again.
In order not to be disturbed, I spend three days _______ in my study.
He tried to ________ in Japanese.