全国通用2011届高考英语二轮总复习经典易错题详解与试题预测：  考点4    情态动词和虚拟语气     命题角度 3 情态动词+have+过去分词结构

1.( 典型例题苏 ) —The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

  —Oh, dear ! She __ a lot of difficulties !

  A. may go through

  B. might go through

  C. ought to have gone through

  D. must have zone through

  [考场错解]  C或A