Question

—Why do you look sad?

—There are so many problems ________.

A．remaining to settle B．remained settling

C．remaining to be settled D．remained to be settled

 

Answer 1

C

【解析】由于remain是不及物动词，故应用现在分词remaining，相当于定语从句that remains；动词settle置于remain之后，应用动词不定式的被动结构来表示动作还未完成。