Question

【题目】Fruit and vegetables _______healthy food.

A. is both B. both is C. are both D. both are

Answer 1

【答案】C

【解析】句意：水果和蔬菜都是健康的食物。主语Fruit and vegetables是复数，故谓语用复数形式，both谓语系动词之后，实义动词之前，故此处为are both，故选C。