there are two ( ) on the desk.

题目

there are two ( ) on the desk.
a:paper;
b:radio;
c:radioes;
d:dictionaries;
选哪个,说明下理由,

答案

a:paper;--- 如果说两张纸应该这样表达：two pieces of paper.
b:radio;----应该加S,复数.
c:radioes;---radio复数形式是后面加S而不是es.
d:dictionaries;--正确的复数形式.所以选D.