____ she looked after the old patient a whole year moves us all.
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 fire made _____ difficult to rescue the people trapped under the ruins in the earthquake.
--- Would you mind not littering in the classroom? --- ______. I’ll pick up the waste paper.
_______ all of them are strong candidates, only one will be chosen for the post.