- Why do you look sad?- There are so many problems . [ ]A. remaining to settleB.
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![- Why do you look sad?- There are so many problems . [ ]A. remaining to settleB.](/pic/43_1429855.jpg)
— Why do you look sad?
— There are so many problems ________. [ ]A. remaining to settle
B. remained settling
C. remaining to be settled
D. remained to be settled
试题答案
C