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Teacher: Richard class begins at 9 and you a
问题详情
Teacher: Richard, class begins at 9, and you are late.
Student: I know, but I missed my bus. I"m sorry.
Teacher: ______. You have to be here on time.
A.Don"t mention it
B.That"s no excuse
C.You needn"t be
D.No problem请帮忙给出正确答案和分析,谢谢!