优优班--学霸训练营 > 知识点挑题
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            • 1.

              ________no need for us to discuss the problem again since it has already beensettled.

              A.It has
              B.There is
              C.It is
              D.There has
            • 2.

              We won’t think of human clones and _________ any reason to suggest that we are closer to producing them today than we were yesterday.

              A.neither there is      
              B.neither there was     
              C.nor is there     
              D.nor was there
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