问题
选择题
There are five _______ on the floor.
A．pieces of papers
B．pieces of newspapers
C．piece of papers
D．newspapers
答案
答案：D
题目分析：paper作“纸”讲时，为不可数名词。一张纸a piece of paper，两张纸two pieces of paper。Paper作主语，谓语动词用单数；但当paper被piece修饰时，谓语动词与piece的形式保持一致。但A中的paper加s是错误的。Newspaper为可数名词，故选D。