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            • 1．         some doubt among scientists as to the cause of cancer.

               

              A．There exists
              B．It exists

               

              C．There is existing
              D．It is existing
              难度：难
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            • 2． There ______quantities of apples in the basket and there was ______milk in the bucket．（　　）
              A．were； a number of
              B．was； quantities of
              C．Was； a good many
              D．were； a quantity of
              难度：较易
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            • 3． —Have all the important letters been delivered at the first time?

                 — I’m sorry . ________ only 30% of them. 

                  

              A．There are
              B．It is
              C．There are
              D．It has been
              难度：易
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            • 4． I’m afraid there might have been 1000 audience in the concert last night, _____?
              A．am not I
              B．aren’t I
              C．mightn’t there
              D．weren’t there
              难度：易
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            • 5． ______is no doubt ______the amber room was lost in World War II.
              A．There;that
              B．It;whether
              C．It;that
              D．There;whether
              难度：中等
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            • 6．

              _______seemed to be no strong evidence that he had murdered the old man.

              A．There
              B．What
              C．it
              D．That
              难度：难
              解析 收藏 试题篮
            • 7． —What about going abroad for further study?

              —Great, but I never expected_______ a chance for me before.

              A．it to be
              B．it being
              C．there to be
              D．there being
              难度：难
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            • 8． Peace­loving people don't want ______ another war in Iraq.
              A．there could be
              B．there be
              C．there being
              D．there to be
              难度：中等
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            • 9． Peace­loving people donˈt want ______ another war in Iraq.
              A．there could be
              B．there be
              C．there being
              D．there to be
              难度：中等
              解析 收藏 试题篮
            • 10． _______ seems to be a possibility that we shall be able to afford the car we need.
              A．It
              B．There
              C．That
              D．This
              难度：难
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