填入下面一段文字横线处的语句，最恰当的一句是孩子，我要求你读书用功，不是因为我要你跟别人比成绩， ，选择有意义、有时间的工作，而不是被迫谋生。当你的工作在你心中有意义，你就有成就感。当你的工作给你时间，不剥夺你的生活，你就有尊严。成就感和尊严，给你快乐。

Please don’t make a noise. — . I’ll be as quiet as a mouse.

They _____ on the little professor, but it led to his fierce criticism on us.[ ]

e coughingbadly, MartinWhy notgive up smoking—- Give up smokingEasier said than done,

He was overlooked when they ________ choosing a new manager, which came as a complete surprise to him.