scientists should be kept___of the latest developments in their research areas中间 为什么填 informed 而不填 informing?

scientists should be kept___of the latest developments in their research areas中间 为什么填 informed 而不填 informing? scientists should be kept in formed of the latest developments in their research areas.请具体解释下语法,主谓宾这些 我觉得看不懂. should be should be Some scientists t( ) that people should also take catnaps. should be should do呢？ two should be enought.should 英语翻译The scientists' study,requested by the European Commission,attacked the concept of leisure noisesaying chidren and teenagers should be protected form increasingly high sound levels ------with loud mobile phones also coming in for critic 1.Teens are ______ sleepy to be happy.2.Scientists say school should _____ later.3.Kate eats candy every day,t______ she knows it is bad for her health.4.It's a_____ how to form good habits. These plants will produce food and oxygen that we need.Scientists should be able to develop plants that grow on Mars.这两句什么从句?能不能帮忙分析各种句型?我分析各种从句能力太差了. She is going to be a scientists?改为一般疑问句 should euthanasia be legalized? That should be Love should be cherished Life should be like you should be great should be doing should be doing