优优班--学霸训练营 > 知识点挑题
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            • 1．
              He made another wonderful discovery, ________ of great importance to science.
              A．which I think is  
              B．which I think it is   
              C．which I think     
              D．I think which is
              难度：较难
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            • 2． 【题文】The expert offered us another piece of advice , ___ of great help to our program.
              A．I think it is
              B．I think which is
              C．which I think it is
              D．which I think is
              难度：较难
              解析 收藏 试题篮
            • 3．
              【题文】I will pay _______ I can afford for the present.
              A what I think    B what do I think    C when I think        D when do I think
              难度：较难
              解析 收藏 试题篮
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