no need to worry about the problem．The government has promised to have clean water to us from door to door．
A. It is ; delivered
B. It is ; delivering
C. There’s ; to deliver
D. There’s ; delivered
网友回答
A. It is ; delivered
B. It is ; delivering
C. There’s ; to deliver
(答案→)D. There’s ; delivered
解析：考查固定结构。There’s no need to do sth.没有必要做某事。排除A,B；第二空考查have +宾语+宾补，宾语water和宾补deliver是动宾关系，所以用过去分词作宾补。选D。