The old man lives _____ in a ______ house, but he doesn't feel_____.
好的歌曲,能够唱响时代的主旋律。“雄赳赳,气昂昂,跨过鸭绿江”唱出的时代主旋律是( )
5和8相乘得多少?正确的列式计算是( )