This mathematic problem was so difficult that no student and no teacher_________

游客2023-11-23  10

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://tihaiku.com/zcyy/3212637.html
最新回复(0)