煤矿安全生产工作的母法是指（）。
A、《安全生产法》
B、《矿山安全法》
C、《劳动法》
D、《煤炭法》
参考答案：D
—Why should I correct it right now, Mum? It’s OK, I think.
— Well, Honey, it will _______ trouble in the future.
A．pass by
B．refer to
C．take up
D．lead to
Could you please not ______ the lights? I'm afraid of the dark.[ ]
A. turn on
B. to turn on
C. to turn off
D. turn off
