.The committee over the problem among themselves for two hours.A. has arguedB. has been a

发布时间：2020-08-16 07:16:17


.  The mittee      over the problem among themselves for two hours.
A. has argued
B. has been arguing
C. have argued
D. have been arguing

网友回答

A. has argued
B. has been arguing
C. have argued
(答案→)D. have been arguing
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