来自蔡虹的问题
请看一下这句话,有个疑问,Myschoolhadaguidelineaboutassignment.Studentsshouldnotspendmorethanninetyminutespernighrdoinghomework.这里为什么要用hadaguideline完全没有过去时的语境啊?
请看一下这句话,有个疑问,
Myschoolhadaguidelineaboutassignment.Studentsshouldnotspendmorethanninetyminutespernighrdoinghomework.
这里为什么要用hadaguideline完全没有过去时的语境啊?

