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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；are

B．is；is

C．is；are

D．are；is

試題分析：句意：亞洲虎的數量越來越小，許多人試圖保護他們。The number of…的數量，作主語時謂語動詞用三單形式；a number of許多，修飾復數名詞，作定語。所以選C。

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