It's _____ (possible) for us to finish the work in harf an hour.
问题描述：
It's _____ (possible) for us to finish the work in harf an hour.
答
估计是想让你填反义词，加im否定前缀，表达“我们半小时完成这些工作是不可能的”，但应该有上下文提示，否则只有一句话的话，我就说“我们半小时完成这些工作是可能的”也不能算错啊
答
impossible
答
It's __impossible___ (possible) for us to finish the work in harf an hour.
我们半小时完成这项工作是不可能的。
答
It's impossible(possible) for us to finish the work in harf an hour.
答
It's _impossible____ (possible) for us to finish the work in harf an hour.
答
It's _____ (possible) for us to finish the work in harf an hour.
harf=half？
前面的随意用 not possible=impossible都可以， 即便是possible也是没什么不通顺