我国是人民民主专政的社会主义国家,下列关于国家的说法正确的是 ①国家不是从来就有的,自人类出现后就产生了国家 ②国家是阶级矛盾不可调和的产物和表现 ③国家的本质是统治阶级进行阶级统治的工具 ④阶级性是国家的根本属性
—What are you busy ___? —I’m busy ___ a letter to my mother.
There’s somebody walking behind us. I think ___.
The girl devoted all her free time she had __ others.
—Jane, see, what did I find? —Oh, my lost keys! ____.
Jack, it’s __ bad manners to blow your nose at ___ table.