语法与词汇 7.What a beautiful sight! Wild flowers of different colors spread all over the hills and around the lake, ______to the beauty of the valley.
【正确答案】 C
【答案解析】根据结构可知此处是状语,句子主语wildflowers和动词add是主动关系,所以用现在分词,句意:多么美的景色啊!五颜六色的野花遍布整个山上和湖的周围,增添了山谷的美景。