中文谷Inthelast20years,seaice intheArcticbecauseofglo...
- 习题库
- 关注：2.91W次
问题详情：
In the last 20 years, sea ice in the Arctic because of global warming.
A. had decreased
B. decreased
C. has been decreasing
D. is decreasing
【回答】
C
知识点：动词时态与语态
题型：选择题
标签：
- 文章版权属于文章作者所有，转载请注明 https://zhongwengu.com/exercises/j272eq.html
