After the six-party talk in Beijing, an agreement was reached _________ that North Korea would abandon _________ nuclear weapons.
John opened the door. There _____ he had never seen before.
_______ of danger in the street at night, she had to go home, with a friend ______ her.
At the meeting they discussed three different _______ to the study of radioactive waste.
You shouldn’t have quarreled with the customs official. _______ helping the situation, you just made it worse.
_____, the car stopped all at once.