Question

【题目】My sister Anna as a nurse since she finished college.

A. works B. has worked C. will work D. worked

Answer 1

【答案】B

【解析】

句意：我的妹妹Anna自从大学毕业后就参加工作做了一名护士。A. works单三形式； B. has worked 现在完成时C. will work将来时 D. worked过去式。since自从，表示动作从过去开始，一直持续到现在，所以应该用现在完成时，其谓语动词的形式是：has/have+done。故选B。