题目内容
(请给出正确答案)
[主观题]
Over the past decades, ice______in the Arctic as a result of global warming.A.had decrease
Over the past decades, ice______in the Arctic as a result of global warming.
A.had decreased
B.decreased
C.has been decreasing
D.is decreasing
如搜索结果不匹配,请 联系老师 获取答案