Question

【题目】—There are so many swimmers swimming in the swimming pool.

—Yes, and sixty percent _ children.

A. is B. are C. was D. were

Answer 1

【答案】B

【解析】句意：——在游泳池里有那么多游泳者正在游泳。——是的，而且百分之六十是孩子。根据谓语are可知此处用一般现在时，故排除CD两项。此处的sixty percent代指的是百分之六十的游泳者，故谓语用复数形式，故选B。