问题
选择题
There is no ______. I have to write it on the blackboard with ______.
A．paper, chalks
B．paper, chalk
C．papers, chalks
D．papers, chalk
答案
答案：B
题目分析：句意：没有纸了，我只能用粉笔在黑板上写了。Paper纸，不可数名词；chalk粉笔，不可数名词；两者都没有复数形式，故选B。