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It used to that humans and animals were different and had little in common.A.believingB.be believedC

编辑:chaxungu时间:2026-04-24 12:55:11分类:高中英语题库

It used to ________ that humans and animals were different and had little in common.
A.believingB.be believedC.believeD.believed在线课程B