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We are at _____ service 24 hours a day.A.our B.his C.your D.its

分类: 作业答案 • 2022-08-18 09:11:38

问题描述：

We are at _____ service 24 hours a day.A.our B.his C.your D.its

答

C
我们为你提供全天候服务
at one's service
乐意帮助,听.使唤