1 . 根据语境，选择下框中的短语，必要时用正确的形式填空。框中有两个多余的短语。

as usual       base…on       in ruins       dig out       date back to be trapped in       sweep away       a variety of       be home to       fall apart

1. When they returned to the city, they found their neighborhood ________________.
2. _____________ my own experience, Arabic is the most difficult language to learn.
3. His words ______________ all my anger and I was able to calm down.
4. The soldier was trying to save the girl who ________________ the burning building.
5. One million people in Tangshan were asleep ______________ on the night of July 28, 1976.
6. The press watchdogs (狗仔队) pay attention to ______________ the secrets of those famous people.
7. Our school provided us with ________________ courses to enrich our knowledge.
8. Our friendship _____________ after he said something rude to me.