He looks sad because there are so many problems ___________.

问题描述:

He looks sad because there are so many problems ___________.
A.remaining to settle
B.remained settling
C.remaining to be settled
D.remained to be settled
哪个对呀

俊狼猎英团队为您解答.C. remaining to be settled 为正确选项.根据句子的意思,problems 后面的成分是要做定语的,所以这里要用remain的现在分词remaining做后置定语,因为做定语时,remain是不能用过去分词的,它相当于...