来自贺志的问题
Neitherhisparentsnorhisteacher___whyhewaslateforschool.A.didn'tknowB.don'tknowC.knowsD.known其他为什么不对?
Neitherhisparentsnorhisteacher___whyhewaslateforschool.
A.didn'tknowB.don'tknowC.knowsD.known
其他为什么不对?

