Scientists knew something had to be done.So did the govermen

Scientists knew something had to be done.So did the govermen something must be done to solve the problems（）succeed something must be done to ______ the bird flu. what he had done was so serious that the judge did not make something should be done to do对吗 有无with something to be done结构? Before we knew it, we had to say goodbye to the famers.这里的be 改错 I had much work to be done ,so I was very busy have something done 与have sth.to be done 区别 have something done和need to be done _____,so she had to be sent to the hosital. something must to be done和something must be done区别