68.It's impossible for him to finish the difficult task in such a short time.(改为反意疑问句)It's impossible for him to finish the difficult task in such a short time,________ _________ 知道是isn't it,为什么,impossible是否定呀,应该用is
问题描述：
68.It's impossible for him to finish the difficult task in such a short time.(改为反意疑问句)
It's impossible for him to finish the difficult task in such a short time,________ _________ 知道是isn't it,为什么,impossible是否定呀,应该用is
答
肯定要用isn't it.
impossible 没有否定的意思，你这是用汉语的习惯来理解英文。
如果你要理解它为‘不可能’, ‘不可能’这句汉语是有否定意思的，但如果理解为‘遥不可及’呢。
事实是，这个单词的否定语气是翻译成中文后才有的，原词没有否定的意思，只是中文没对应的词。
答
It's impossible for him to finish the difficult task in such a short time,________ _________ 知道是isn't it,为什么,impossible是否定呀,应该用is否定前缀不是否定词!类似的否定前缀不是否定词的.un-; in-; di...