1. We e______ rice but import wheat.
2. After the star's excellent performance on the stage, the a____________ all burst into cheers.
3. Don't play t__________ on the poor old man, for he seems a stranger here.
4. This is a very e________ film and almost everyone laughs while seeing it.
5. In all,Columbus made three more voyages during the next d________.
6. Sometimes _________(顾客) can benefit from advertisements.
7. The soldiers were e         (装备)with the lastest weapons.
8. At that time, hunger was a d_________ (令人不安的)problem in many countries..
9.He made some ______(评论)about my dress,and then carried on reading his book.
10. When having English class, I heard two students _______ (低语) to each other.