问题补充:
28. Im afraid well 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:
A. remaining to settle
(答案→)B. remaining to be settled
C. remained to be settled
D. to remain to settle
解析: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……”。