It___that there are more than seven thousand languages in the world
A believes B is believing C is believed D believed
人气：290 ℃ 时间：2019-09-29 16:04:38
解答
C 人们相信It_is said __that there are more than seven thousand languages in the world.据说It_is reported__that there are more than seven thousand languages in the world据报道
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