题干
— Millie, ________ late for school again.
— Sorry, I won't.
A：isn't
B：doesn't be
C：don't be
D：won't be
答案(点此获取答案解析）
C
— Millie, ________ late for school again.
— Sorry, I won't.
A：isn't
B：doesn't be
C：don't be
D：won't be
