根据句意和汉语提示写出单词，完成句子。
The poster says more than one ______ will attend the presentation. (导演)
She had been very successful before ______ the film industry. (进入)
The teachers often tell us not to do anything ______ the law. (违反)
The Chinese Ping-pong team won all of the four gold medals         (成功) in the 30th Olympic Games in London.
Our Earth is becoming more and more _______ (被污染的).