What would happen to the earth if the sun suddenly switch off some day?
| A．might | B．could | C．would | D．should |
_____ hard, you will succeed.
| A．Having worked | B．Being worked | C．To working | D．Working |
We walked as fast as we could, _____ to catch the 9:30 train.
| A．hoping | B．to hope | C．we hoped | D．being hoped |
It is no longer a question nowman can land on the moon．
A．that B．if C whether D what
6. White-collar workers across China are becoming____ concerned about the impact of the global financial crisis on their careers.
| A．highly | B．strictly | C．hardly | D．increasingly |
4. Wen Jiabao and Putin signed a deal on building a trans-Siberian pipeline that would pump 15 million tons of crude to China each year in Moscow, ______ Global Times.
| A．due to | B．according to | C．on duty | D．above all |