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

题目简介

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

题目详情


4. It used to ______ that humans and animals were different and had little in common.
A.believingB.be believedC.believeD.Believed
题型:单选题难度:偏易来源:不详

答案

 B

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