----He is fluent in English because he once stayed in London . ---- Really ? How long _________ there ?
There is a subway in my hometown, but ________ existed two years ago.
We have every reason to believe that ____2010 World Expo in Shaihai will be______success.
There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________.
Mr. Brown layawake all night wondering whether to leave or stay.
China’s labor supply will continue to rise,despite the fact that the workingage population________.