Mary _______late for class.A:isn't.B:doesn't.C:doesn't be.D:don't be

问题描述:

Mary _______late for class.A:isn't.B:doesn't.C:doesn't be.D:don't be

A
没有迟到

A
固定词组 be late for 迟到
否定形式直接在be 动词后面接not
不用C D这种形式