精选优质文档-倾情为你奉上过去完成时练习题含答案及解析一、单项选择过去完成时1I _the paper before my lawyer explained the details to me.AsignedBhad signedCsignsDhas signed【答案】B【解析】试题分析：考查过去完成时。句意：在我的律师和我详细说明之前我就已经签字了。由题中时间点可知是过去完成时，故选B。考点：考查过去完成时2 Although most adopted persons want the right to know who their natural parents are, some who have found them wish that they _ the experience of meeting.AhaventBhadntChadnt hadDhavent had【答案】C【解析】试题分析：考查虚拟语气。动词wish引导的虚拟语气，与过去事
