题干
—May I come in?
—Yes, come in. But _______ again.
A：late
B：don't late
C：be late
D：don't be late
答案(点此获取答案解析）
D
—May I come in?
—Yes, come in. But _______ again.
A：late
B：don't late
C：be late
D：don't be late
