Question

【题目】The Wilsons ________ in Germany for twenty years before they moved to China.

A. liveB. have livedC. were livingD. had lived

Answer 1

【答案】D

【解析】

句意“威尔逊一家人在搬到中国前已经在德国住了20年”。A.一般现在时；B.现在完成时；C.过去进行时；D.过去完成时。根据moved“一般过去时”可知，表示在搬到中国前住在德国，表示“过去的过去”，用过去完成时，故选D。