1.Hearing the meeting declared open,all the (representative) applauded for a long time.
答案representatives
2.The box-office income of Chinese films has suffered from decline in recent years.
答案a
3.In addition to his musicals,Bernstein has written many (symphony) and ballet music.
答案symphonies
4.As we know,the film (regard) as a masterpiece of Chinese ink wash animation.
答案is regarded
