52单词网 > 高中英语 > 高中英语题库 > It used to that humans and animals were different and had little in common. [ ]

It used to that humans and animals were different and had little in common. [ ]

来源:网络 时间:
It used to that humans and animals were different and had little in common. [ ]

It used to ________ that humans and animals were different and had little in common.

[]

A.believing

B.be believed

C.believe

D.believed

试题答案

答案:B