Nowadays children have to take arts, music and sports classes in their free time ____ busy schoolwork.
The world will be different, and we will have to be prepared to ________ the change.
He hurried to the station only _______ that the train had left.
The organization is badly _________ of hands.
Do you remember the chicken farm _____ we visited three months ago?
I was about to go to bed _____ one of my old classmates made a call to me.