They may be able to help childcare so that you can have a break.
A:with
B:for
C:to
有一抛物线型拱桥,当水面离拱顶2米时,水面宽4米,则当水面下降1米后,水面宽度为( )
What ____ do you like? I like ____. It's ____.
神经调节的基本方式是