The snow was now two feet deep, making it difficult, if not impossible, _______ the car out.
| A．getting | B．get | C．got | D．to get |
The government officials met the workers and engineers working on the stadium, most _________ being migrant workers.
| A．of them | B．of what | C．of whom | D．of which |
Our special thanks go to thousands of volunteers, without ________tireless work, none of this would be possible．
| A．whose | B．which | C．whom | D．that |
If there hadn’t been so much smog in Beijing, we______________ the beautiful scenery across the Tiananmen Square.
| A．enjoyed | B．would have enjoyed | C．had enjoyed | D．would enjoy |
No worker and no engineer who it is that is for the explosion of the chemical factory.
| A．know; to blame | B．would know; blamed |
| C．know; to be blamed | D．knows; to blame |
_____we promise continuous increase in rural incomes _____improve the whole people's well-being．
| A．Only if; we can | B．If only; can we | C．Only if; can we | D．Unless; we can |