________that the government can clear up official corruption，we are________ about the future of our country.
| A．Convinced；optimistic | B．Convincing；optimistic |
| C．Convinced；pessimistic | D．Convincing；pessimistic |
A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
| A．that | B．it | C．this | D．there |
The massive earthquake and tsunamis has killed 350 people in a coastal town in Chile so far, _______ the total death number reported last Sunday.
| A．doubled | B．to double | C．doubling | D．h aving doubled |
In the USA, _______ Thanksgiving Day is a harvest festival. Traditionally, it is _______ time to give thanks for the harvest and express gratitude in general.
| A．the; a | B．/; the | C．/; a | D．the; the |
— You won’t believe it, Sam. I was chosen as an exchange student to China.
— Congratulations! _______
| A．That’s something. | B．You did a good job. | C．That’s all right. | D．You got it. |
Three days after Mrs White’s _______ necklace was found, she was _____ it.
| A．lost; robbed | B．Missed; robbed of |
| C．lost; robbed of | D．missing; robbed |