2. 外语
  3. This mathematic problem was so difficult that no student and no teacher_________ able to solve it.

This mathematic problem was so difficult that no student and no teacher_________ able to solve it.

admin2009-01-05  44
问题 This mathematic problem was so difficult that no student and no teacher_________ able to solve it.
选项 A、were
B、is
C、was
D、are
答案C
解析
转载请注明原文地址:https://kaotiyun.com/show/uiBK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)