The World Expo is like __________ great stage for cultural exchange, bringing people into closer contact with __________ rest of the world.
【2015·天津】 —Sorry, Liz. I think I was a bit rude to you. —______, but don’t do that again!
【2015·重庆】Bach died in 1750, but it was not until the early 19th century____ his musical gift was fully recognized.
【2015·湖南】It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
【2015·湖南】Only after talking to two students ________ that having strong motivation is one of the biggest factors in reaching goals.
Only when Lily walked into the office ______ that she had left the contract at home.