问题:
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
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 |
参考答案: