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The number of tigers in Asia________ getting smaller and smaller and a large number of people_________ trying to protect them.
A.are;areB.is;isC.is;areD.are;is
C

试题分析:句意:亚洲虎的数量越来越小,许多人试图保护他们。The number of…的数量,作主语时谓语动词用三单形式;a number of许多,修饰复数名词,作定语。所以选C。
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