关于chalk一支粉笔是a piece of chalk那么一盒粉笔是a box of chalk 还是 a box o

关于chalk一支粉笔是a piece of chalk那么一盒粉笔是a box of chalk 还是 a box o 一盒粉笔是a box of chalk 还是 a box of chalks ? a piece of chalk The teacher picks up a __ of chalk from the chalk box. chalk不可数,但彩色粉笔可数,那么“一根白色粉笔”可以说成a white chalk She ____(buy) a box of chalk yesterday And I want a large box of chalk ,too. I want a large box of chalk 和 I want a large box of the chal 填入句中所缺的词 The teacher picks a ___ of chalk from the chalk box You have got a piece of chalk.改为复数句 Hanz gives me a piece of chalk.(Question with What) And I want a large box of chalk,too. 有and为什么还要加too