Professor Williams keeps telling his students that the future ______to the well-educated .
He _______ gas a mile from home.
I want to go the party, but __________ I ought to stay studying.
His first book ___________ next months is based on a true story.
___________ work has been done to improve the people’s living standard.
All the students are looking forward to the first _________ to pass the College Entrance Examination.