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attheparty,wesawRuthstandingaloneinthecornerofthehall.[]A.ArrivingB.ToarriveC.ArriveD.Arrived

题目详情
_____ at the party, we saw Ruth standing alone in the corner of the hall.
[     ]
A. Arriving
B. To arrive
C. Arrive
D. Arrived
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答案和解析
A