—Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.
—I agree. Something to deal with it.
A. has done
B. is doing
C. must be done
D. must do
—Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.—I agree.
答案:4 悬赏:30 手机版
解决时间 2021-03-05 08:40
- 提问者网友：且恨且铭记
- 2021-03-04 17:31
最佳答案
- 五星知识达人网友：孤独入客枕
- 2020-03-12 15:48
A. has doneB. is doing(答案→)C. must be doneD. must do解析：句意：在中国中东部的雾霾似乎变得越来越严重了。——我也这么想。必须采取措施来解决这个问题。结合语境可知下文主语为动作对象，故用被动语态，选C。
全部回答
- 1楼网友：旧脸谱
- 2020-04-04 16:56
这下我知道了
- 2楼网友：爱难随人意
- 2020-12-24 17:17
谢谢了
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