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They believe there has been life on Mars,has'nt there?这个反意问句表达的正确吗

分类: 作业答案 • 2021-12-28 11:04:05

问题描述：

They believe there has been life on Mars,has'nt there?这个反意问句表达的正确吗

答

don't they.
they是复数,故用don't.