The pencils ()all colers are for just 1 yuan.中加什么介词?
问题描述：
The pencils ()all colers are for just 1 yuan.中加什么介词?
答
The pencils of all colors are for just 1 yuan.
答
The pencils (in)all colers are for just 1 yuan.
答
at
答
of
答
of
所有颜色的铅笔都一元