Never before ______ so many people been engaged in producing goo
分类: 英语（专升本）(z0009)发布时间: 2024-09-16 17:56浏览量: 1
Never before ______ so many people been engaged in producing goods just for the comfort of man. A、has B、have C、will D、would 【正确答案】：B 【题目解析】：never before意为”以前从未曾有过“，位于句首要用部分倒装，由于so many people谓语动词要用复数形式。