摘要：24．-Why do you look worried? -There are so many problems . A．remaining to settle B．remained settling C．remaining to be settled D．remained to be settled
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—Why do you look worried?
—There are so many problems .
A．remaining to settle B．remained settling
C．remaining to be settled D．remained to be settled
查看习题详情和答案>>－Why do you look worried?
－There are so many problems ________．
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A．remaining to settle
B．remained settling
C．remaining to be settled
D．remained to be settled