Over the past decades, the population in this country because of the risin
题型:不详难度:来源:
Over the past decades, the population in this country because of the rising birth rate, immigration and the declining death rate.A.has been increasing | B.have been increasing | C.had increased | D.have increased |
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答案
A |
解析
试题分析:考查时态。根据句中时间状语Over the past decades在过去的几十年中,说明一直持续到现在,并有可能继续持续下去,故用现在完成进行时。句意:在过去的几十年中,因为出生率、迁移的上升和死亡率的下降,这个国家的人口一直在增加。故A正确。 |
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