Over the past decades , sea ice in the Arctic as a result of global warming .A. had decrea
答案:2 悬赏:50 手机版
解决时间 2021-01-02 10:37
- 提问者网友：听门外雪花风
- 2021-01-02 03:48
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 .
最佳答案
- 五星知识达人网友：动情书生
- 2021-01-22 06:35
A. had decreasedB. decreased C. has been decreasing D. is decreasing .解析：此题考查动词时态，由句中的时间状语从句“over the past decades”，可知句子的谓语动词要用现在完成时或现在完成进行时态。
全部回答
- 1楼网友：白昼之月
- 2021-01-22 07:42
正好我需要
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯