It's well-known to all that...请问这句是系表结构还是被动语态?　TO　ALL在句中做什么成分?为什么?

it's well known it 's well known that 还是it 's well-known that it's well known that zhou jiulun is a singger who is popular with the young It is well-known 翻译句子：It is safe to choose only well-known pieces when giving a performance. 请问句型It's known to us that从句是被动语态吗?请问句型It's known/well-known to us that从句,是被动语态吗?若是,怎么这里用TO US,不用BY US? It's well-known to all that...请问这句是系表结构还是被动语态?　TO　ALL在句中做什么成分?为什么? 【英语】选用As 与 it 的一道选择题1.___is well known to us is that many earth's resources are running out.A.It B.What C.As D.Which2..___is well known to us is that getting up early is good for health.A.As B.It C.Which D. What How do I get to the cinema?A：It's very far.B：Yes,there is a cinema near here.C：It's well known.D：Go down this street and turn lef it is well known to us that是什么意思 一道GMAT的SC题The Western world’s love affair with chocolate is well-documented:few people have been known to have tasted it for the first time without requesting more.(A) few people have been known to have tasted it(B) few having been known to It is well-known that a dove symbolizes peace.无 It is such a good place__________everybody wants to visit ____it is well-known.a.which;thatb.that;as it is well known that It's _____(well)to take a walk after supper 英语翻译It is a real honor to have the opportunity of meeting the well-known scientist in person. “China's well-known trademarks He doesn't want ____that he's going awayA.to be known B.him to be known C.that to be known D.it to be known我选的A错了,答案是C! 为什么选C呢?