2. 外语
  3. They failed to pass the exam last time, I regretted ______.

They failed to pass the exam last time, I regretted ______.

admin2011-01-14  30
问题 They failed to pass the exam last time, I regretted ______.
选项 A、to be not able to help
B、being unable to help
C、being not able to help
D、not be able to help
答案B
解析 本题考查的是regret的用法。regret to do表示很遗憾地做某事，但后面的动作尚未发生。例如：I regret to tell you that you didn’t pass the exam．而regret doing则表示很遗憾做过某事，比如这里，没能帮上忙是过去的事情，已经发生过，故用现在分词形式。而现在分词部分变否定形式则要在be前面加not，而不是在be后面，故排除C，而选B。
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