选择最佳应答语( )
A:I'd like beef noodles.
B:Yes,please.
C:I'd like rice, please.
The girl ____ a ____ to school every day.
任取不等式组 {k−3≤02k+5>0 的一个整数解,则能使关于x的方程:2x+k=﹣1的解为非负数的概率为____.