The World Expo Shanghai 2010 is more like a platform for cultural exchange, ________ people into closer contact with the rest of the world.
.If Bush _____his sister to attend the party, she will certainly be glad. She hasn't met Bush for years.
— I'm not the man ________the phone. She asked for Henry. — I'm sorry I was mistaken.
The step you have taken is ________ much risk(冒险).
We've always known him ________ a warm but calm character.
Now that he has missed his ________, he'll have to wait for the next round.