请问这道英语题选什么?为什么?谢谢!
Theearlylinearteachingmachinescouldnotjudgethestudent'sresponsenor,indeed,evendetermi...
The early linear teaching machines could not judge the student's response nor,indeed,even determine that the student ______ responded.
A. is B.was C.have D.had 展开
A. is B.was C.have D.had 展开
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询