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.

admin2010-02-17  41
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 ．．and each．．．，every．．．and every．．.,many a．．．and many a．．．和no．．．and no．．．这样的结构之后，谓语动词应该用单数形式。
转载请注明原文地址:https://kaotiyun.com/show/nNnK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)