Question

【题目】David and his younger brother in the station since 1999.

A.workB.had workedC.were workingD.have worked

Answer 1

【答案】D

【解析】

句意：David和他的弟弟自从1999年起就在这个车站工作。

考查动词时态。work工作，动词原形；had worked过去完成时；were working过去进行时；have worked现在完成时。根据句中的时间状语since 1999可知，这句话应用现在完成时，表示从过去一直持续到现在。故选D。