摘要：29．Over the past decades, sea ice in the Arctic as a result of global warming. A. had decreased B. had been decreased C. has decreased D. has been decreased
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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
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
查看习题详情和答案>>Over the past decades, sea ice _____ in the Arctic as a result of global warming.
A. had decreased B. more than C. attach D. apply
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