Though ________ in a big city, Bill always prefers to sing the songs of country life.
The government officials met the workers and engineers working on the stadium, most _________ being migrant workers.
Our special thanks go to thousands of volunteers, without ________tireless work, none of this would be possible.
If there hadn’t been so much smog in Beijing, we______________ the beautiful scenery across the Tiananmen Square.
No worker and no engineer who it is that is for the explosion of the chemical factory.
_____we promise continuous increase in rural incomes _____improve the whole people's well-being.