问题
选择题
28. I'm afraid we'll have to work extra hours for there are still some problems ________.
A．remaining to settle
B．remaining to be settled
C．remained to be settled
D．to remain to settle
答案
答案：B
本题考查到连系动词以现在分词形式作定语，及其一个固定结构：remian to be done，解释为“有待被……”。