it is known aroud the 到底这个 known 是被动 还是形容词

it is known aroud the 到底这个 known 是被动 还是形容词 It is well-known It is well known to all,they have done colour printing in China since the 12th century修改病句 it is well known that it known to all还是it is known to all as is known,it is known不同用法? As is known 还是It is known英语 是as is known to...还是as iT known to... 请解释以下短语的意思,It is believed that… It is generally considered that… It is said that…It is well known that… It must be pointed out that… It is supposed that…It is reported that… It must be admitted that… It is hoped th love is always aroud us.怎么翻译 It is January 12th.January 12th 划线提问 Is it December 12th today? it is july 11th的问句 is it january 16th today? it is well-known that,还是it is well known that到底是哪一个?well known和 well-known有什么区别？ as it is well known 和 as is well known的句子结构区别? it is known to all that 和as is known to all that 区别 As is known to us.和It is known to us.后面接什么啊?为啥