【答案】The cleaners must keep the street _____.

The cleaners must keep the street _____.

A. from getting dirty B. to dirty C. to get dirty D. getting dirty

【答案】

A

【解析】

句意：这些清洁工必须保持街道不被弄脏。根据句意及题干分析此题是考查固定结构“keep sb./sth. from doing sth.”，意思是阻止某人做某事，故选A。