Question

【题目】—Why do you look so upset, Linda?

—There are so many troublesome problems____．

A．remaining settled

B．remaining to be settled

C．remained to settle

D．remained to be settled

Answer 1

【答案】B

【解析】B。解析： remain没有被动的形式，排除AC；remain表示处于某种状态，待解决的问题，问题还没有解决：所以用 to be settled。