The little boy still needs the 20 dollars to do with some things .
A. remaining；remained to be settled
B. remaining；remaining to be settled
C. remained；remained to settle
D. remained；remaining to settle
网友回答
A. remaining；remained to be settled
(答案→)B. remaining；remaining to be settled
C. remained；remained to settle
D. remained；remaining to settle
解析：
第一个remaining用作形容词，作“剩下的”解；第二个remaining to be settled 是ing形式短语作定语修饰some things。