Students used to_____ information from newspapers or magazines, but now they are used to ______ for it on the Internet directly.
The keythe earth is to change the waywe live.
There are over 100 night clubs in the city, but you don’t often seethat is empty.
It is _____ we do ---- you and I ____ changes the world.
The news has spread all over the country _____ Premier Wen Jiabao will attend the Copenhagen summit next week.
Entering the reading room, ______.