扫描二维码，直接登录
题库 / OG2017V-SC-235
A recent court decision has qualified a 1998 ruling that workers cannot be laid off if they have been given reason to believe that their jobs will be safe, provided that their performance remains satisfactory.
if they have been given reason to believe that their jobs will
if they are given reason for believing that their jobs would still
having been given reason for believing that their jobs would
having been given reason to believe their jobs to
given reason to believe that their jobs will still
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
CD果断排除，having不能做限定修饰，B中间for doing和to do的区别在于前者是“已经在发生的”，后者是“尚未发生的”，这里语义上应该用to do。A和D，一个主动语态一个被动语态，未划线部分provided已经是被动了，而且从语义上也应该是被动。选A。
登录 或 注册 后可以参加讨论