With trees and grass about 35％ of the urban area the city of Hefei has taken on a new look

问题补充：

With trees and grass about 35％ of the urban area，the city of Hefei has taken on a new look.

A. covered

B. being covered

C. to be covered

D. covering

答案：

A. covered

(答案→)B. being covered

C. to be covered

D. covering

解析：考查with复合结构。with的复合结构为：with+宾语+宾语补足语；对宾语的情况进行补充说明。当做宾语补足语的动词与宾语构成被动关系的时候，使用过去分词的形式；当二者构成主动关系的时候，使用现在分词的形式。要注意With的复合结构经常与独立主格结构转换使用。本题表示的是现在的情况，故使用现在分词的被动式。句意：因为百分之35的城市覆盖着树和草，合肥市已经呈现出新的面貌。故B正确。