—Was it under the tree _______ you were away talking to a friend?—Sure. But when I got back there, the bike was gone.
The funny story _______ me laugh.
_____ with the accident, he was forced to resign.
They use computers to keep the traffic smoothly.
All flights ________called off because of the terrible weather, they had to go there by train.
After the six-party talk in Beijing, an agreement was reached _________ that North Korea would abandon _________ nuclear weapons.