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