Im pleased to see the problem so quickly.A. settledB. having been settledC. be settledD.

发布时间：2020-08-17 14:12:35

I'm pleased to see the problem      so quickly.
A. settled
B. having been settled
C. be settled
D. settle

网友回答

(答案→)A. settled
B. having been settled
C. be settled
D. settle
解析： see sth. done表示“看见某事被完成”。
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