)Over the past decades,sea ice in the Arctic as a result of global warming.)Over the past decades,sea ice in the Arctic as a result of global warming.A.had decreased B.decreased C.has been decreasing D.is decreasing 解释一下
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)Over the past decades,sea ice in the Arctic as a result of global warming.
)Over the past decades,sea ice in the Arctic as a result of global warming.A.had decreased B.decreased C.has been decreasing D.is decreasing 解释一下您为什么选
选择c 因为c表示现有状态,并且会一直持续下去.
C
Over the past decades 在过去的数十年间表示现在完成时态
因为冰川仍在消失中,所以用过去完成进行时态
over the past是什么意思
over the past centuries
over the past century意思
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over the past ten years是什么意思
over the past year.这儿的
over the past centuries汉语意思
In study after study over the past
Several times over the past decades
over the past ten 为什么over可以用在这里?
I can not forget the Over the past memory of
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over the past 12 months 和 at the past 12 months 有什么区别?