We work together to achieve our common purpose: _________world that is safer, cleaner and healthier than ________ one we found.
When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.
The farmers were more anxious for rain than the people in the city because they had more _____.
The Prime Minister refused to comment on the rumor that he had planned to _____.
John _____ knowledge of radio just by staying around the radio station.
The _____ of his clothes indicated too clearly that he had been playing football.