Question

【题目】 ________ his homework made his father very angry.

A. The boy’s not having finished B. The boy’s having not finished

C. The boy not having finished D. The boy having not finished

Answer 1

【答案】A

【解析】非谓语动词的否定形式为：not＋非谓语动词，所以排除B、D两项；动名词复合结构作主语时必须用所有格的形式，不能用宾格或者普通格的形式，所以也可排除C项。