当前形势下,迫切需要加强国家安全教育,形成全民了解、支持、参与维护国家安全的良好局面。这是因为①国家安全是人民群众安居乐业的根本保障②我国的国家安全形势处于不可控的严峻局面③维护国家安全是我国宪法规定的公民的基本义务④国家安全是实现中华民族伟大复兴中国梦的重要保障
China has been pushing the reform of public hospitals ______ all its citizens.
It is described in her new book, one about sea life, ______this kind of fish lives in the deep sea.
Why do you insist on buying a car _______you have such good public transports here?
Though he is always thinking much of himself, he ______ be helpful when staying with others.
I didn't know his telephone number, otherwise I ______ him.