问题
选择题
— 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
答案
答案：C
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— 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
答案：C