you ever visited the 2010Shanghai World Expo—–YesWhen I was in China , I ______ it twice

The dictionary shouldn’t fromthe library.

. Will you see to _______ that the luggageis brought back as soon as possible

There is _____ in today’s evening newspaper.

The education reform is being carried out in China. It’s certain that a completely new situation will _________ when the new examination system comes into existence.