做题室题库

题库首页

Why was Fred so upset?He isn't used _______ criticize; ( 章节：2 难度：3)

  • A、be
  • B、to be
  • C、to being
  • D、having been
正确答案:C
答案解析:有
进入题库查看解析

微信扫一扫手机做题

最新试题
热门试题