Question

【题目】My father______in this school since he was 25 years old.

A. had worked B. worked C. was working D. has worked

Answer 1

【答案】D

【解析】句意：我父亲从25岁起就在这所学校工作。考查动词时态辨析题。since he was 25 years old. 从他25岁开始，since表示的是一段时间，用于现在完成时态。现在完成时态的结构是“have/has+现在分词”，根据句意结构，可知选D。