【问题】 He insisted that he ______ innocent.·is·be·should be·were

He insisted that he ______ innocent.·is·be·should be·were

正确答案:单选题·is

题目解析:本题出自佳木斯大学,佳木斯大学语言治疗学,由丰阳塔题库搜集整理。