I want to buy two of colour . A.boxs-chalks B.boxs-chalk C.boxes-chalks D.boxes-

I want to buy two ___ of colour ___.

        A.boxs…chalks    B.boxs…chalk   C.boxes…chalks    D.boxes…chalk

试题答案

C

解析:

chalk为不可数名词，但指不同色彩的粉笔时，常用复数形式。