语法与词汇
In 1974, US president R.M. was charged with obstructing justice, (abusing) his constitutional (authoritative), and failing (to obey) subpoenas demanding (he appear) in court.
1、
【正确答案】
1、authoritative------authority.两个形容词不能在一起。很多人认为D项看着不顺眼，其实因为前面的是demand,demand sb. do sth.因此D项没错。事实上这里是虚拟语气，damand sb. (should) do sth.