2. 职称英语
  3. This experiment______last week.A、should be doneB、should have been doneC、should

This experiment______last week.A、should be doneB、should have been doneC、should

游客2023-11-13  52
问题 This experiment______last week.
选项 A、should be done
B、should have been done
C、should have done
D、should do
答案 B
解析 虚拟语气。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3182062.html
相关试题推荐
随机试题
最新回复(0)