We are so happy to see the problem so quickly.A. settledB. having been settledC. be settl

发布时间：2020-08-17 03:51:34

We are so happy to see the problem      so quickly.
A. settled
B. having been settled
C. be settled
D. settling

网友回答

(答案→)A. settled
B. having been settled
C. be settled
D. settling
解析：句意：我们很高兴看见问题被解决的很快。这里是see sth done看见某事被做。这里problem与settle之间是被动关系，。故选A
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