单选题Somethingmustbedonetopreventthefa
答案:2 悬赏:80 手机版
解决时间 2021-02-23 05:29
- 提问者网友：凉末
- 2021-02-22 10:52
单选题
Something must be done to prevent the factory ________ poisonous gases so as to keep the city ________．A.sending out; from pollutingB.send out; pollutingC.from sending out; from pollutingD.sending out; from being polluted
最佳答案
- 五星知识达人网友：酒醒三更
- 2020-09-01 11:26
D
全部回答
- 1楼网友：第幾種人
- 2020-11-09 01:39
收益了
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