问题
选择题
We always keep___spare paper, in case we run out.
A．too much
B．a number of
C．plenty of
D．a good many
答案
答案：C
考查数量的短语用法。Too much 修饰不可数名词；a number of 修饰可数名词；plenty of 修饰可数于不可数名词；a good many 修饰可数名词。句意为：我们总是存有大量的备用纸，以防用完了。