Question

【题目】—What color _______ Mary's pencils? —________ black.

A. are; It's B. is; They're C. is; It's D. are; They're

Answer 1

【答案】D

【解析】

句意：——玛丽的铅笔是什么颜色的？——它们是黑色的。主语Mary's pencils为复数形式，系动词be用are，首先排除B,C；it只能替代单数可数名词和不可数名词，复数名词要用they替代，故答案选D。