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---What are you doing these days?---I have been ______ the ceremony for the Foreign Language and Culture Festival.A.working on B.working up C.working out D.Working

分类: 作业答案 • 2021-12-20 07:14:28
问题描述：

---What are you doing these days?---I have been ______ the ceremony for the Foreign Language and Culture Festival.A.working on B.working up C.working out D.Working

答

A.working on

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