2. 职称英语
  3. Environmental scientists are concerned that if industrial pollution was to conti

Environmental scientists are concerned that if industrial pollution was to conti

游客2024-01-01  47
问题 Environmental scientists are concerned that if industrial pollution was to continue without effective measures, the Earth’s surface would warm up to a dangerous degree in the next few centuries.
选项
答案 was改成were
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3324535.html
相关试题推荐
随机试题
最新回复(0)