Without the help of people from every corner of the world, people in Wenchuan County, Sichuan Province__________recovered very quickly from the May Twelfth Earthquake.

• A、must not have
• B、couldn‘t have
• C、may not have
• D、can‘t have

60 （）

When Williams began working on his book, he __________ .

• A、was paid $ 35,000 

• B、learned to paint

• C、had already buried the treasure

• D、did not know what the story would be about