The urban population of Beijing ______during the last five years.

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问题 The urban population of Beijing ______during the last five years.

选项 A、have greatly increased
B、has great increased
C、has greatly increased

答案C

解析 population 指“人口”,现在完成时的助动词应该用单数形式。increase 是动词,要用副词修饰,因此不能用great。
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