【单选题】Only when we failed ________ the importance of study.
【单选题】Though we've failed several times, we will still try to find a better to this problem. [ ]
【单选题】从创业者的创业过程来看,创业是一个充满了创新和艰辛的过程,下面那个选项不对( )
【简答题】互联网时代,获得流量的首要策略是 。A. 免费
【单选题】We did all that we could to________him________going abroad,but we failed. [ ]
【单选题】We failed in our( )to climb the mountain.
【简答题】We failed to explain the new economic policy to the public and we are ______ in that. 我们没能向公众解释新经济政策,这怪我们。
【单选题】We failed to catch the train, ____.