用所给词的适当形式填空
（1）—When does Mary usually go to bed？
—She ____ (go) to bed at nine thirty.
（2）Tony's sister always ____ (do) her homework first when she gets home．
（3）Ice-cream usually ____ (taste)good.
（4）My father often ____ (take) a walk in the evening.
（5）Tony usually gets up late. He doesn’t have time ____ (eat) breakfast.
上的点到直线
距离的最小值是（ ）
