2. 职称英语
  3. If powerful measures _______, this area would have been badly polluted.A、aren’t

If powerful measures _______, this area would have been badly polluted.A、aren’t

游客2024-09-05  50
问题 If powerful measures _______, this area would have been badly polluted.
选项 A、aren’t taken
B、haven’t been taken
C、weren’t taken
D、hadn’t been taken
答案 D
解析 考查虚拟语气。由主句的时态would have been可看出，这是对过去情况的描述，且与过去事实相反，实际上过去已经采取了措施，故此处用过去完成时表示对过去的虚拟，答案为D。
转载请注明原文地址:https://tihaiku.com/zcyy/3744114.html
相关试题推荐
随机试题
最新回复(0)