阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为16—25的相应位置上。
A few years ago, SARS  __16__ out in the mainland of China, causing some people __17__ (kill) or nearly got close to death. The situation was so severe that there was __18___ time to debate who is to blame. The most important thing for the government to do is to find ____19__the cause of this deadly disease. They invited all the most ___20___  (experience) experts in this field to discuss and quite a few suggestions were put forward. Some of the top experts then tested them to see _____21____ they were available. Doctor Zhong Nanshan chose one patient who was seriously ill and had little hope_____22____ picking up and had the new medicine tested on him. _____23_____ his great joy, this patient recovered! He made his way to his office and telephoned the top official, ____24___ (tell) him this exciting news. For convenience, he moved to live in his office. His method did make sense. Not soon after that, the ___25____ hospitals also controlled this terrible disease and kicked it out finally.