Lesson 12 Stop the Noise

May I have a word with you
Sure.What's the problem?
It's about your son.I'm tried of his making so much noise at all hours of the day.
I'm sorry.I'm sure he's not doing it on purpose.
I'm sure he's not.But we can do without the noise pollution,you know?
You're absolutely right.By the way.how was your party last night?It sure sounded like you had a great time.

can do without 无... 也可以
cannot do without 无...则不行