2. 外语
  3. Several days passed before those well-known experts______(想出解决问题的办法).

Several days passed before those well-known experts______(想出解决问题的办法).

admin2012-08-10  136
问题 Several days passed before those well-known experts______(想出解决问题的办法).
选项
答案came up with solutions
解析 come up with意为“得出……，想出……”，solution“解决办法”。因为主句的时态是过去时，根据时态一致的原则，从句的时态也 应为过去时。
转载请注明原文地址:https://www.kaotiyun.com/show/VD57777K
0

大学英语四级

相关试题推荐
随机试题
最新回复(0)