There _______some writing paper on my desk.A is B are C am D were

问题描述:

There _______some writing paper on my desk.A is B are C am D were

There __A____some writing paper on my desk. A is B are C am D were

A is paper 纸张是不可数名词 所以用is

选A.
paper 不可数
some 既可以修饰可数名词复数,又可以修饰不可数名词

A
paper是不可数名词,动词用单数