2. 职称英语
  3. Perhaps there is still quite a long way to go______ these researchers can find a

Perhaps there is still quite a long way to go______ these researchers can find a

游客2023-07-16  52
问题 Perhaps there is still quite a long way to go______ these researchers can find an answer to the mystery.
选项 A、unless
B、until
C、where
D、before
答案 D
解析 句子结构 通过分析语意，我们可以知道前面的动作应该是发生在后一动作之前，所以得出D。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2842381.html
相关试题推荐
随机试题
最新回复(0)