第22题: [单项选择]There are four factories in our institute, () A. with each having over 100 workers B. each having over 100 workers C. which there are over 100 workers D. with each that has over 100 workers 参考答案:B 答案解析:
[解析] 分词的独立主格结构。each having over 100 workers为分词的独立主格结构,做状语;each做分词短语的逻辑主语,是正确答案。