_______ the students' homework,the teacher found a lot of mistakes.A.When he was correcting C.When he corrected C.Correcting D.all the above

分类: 作业答案 • 2023-01-24 09:48:50

问题描述：

_______ the students' homework,the teacher found a lot of mistakes.
A.When he was correcting C.When he corrected C.Correcting D.all the above

答