It is well known to us that Zhai zhigang is the first Chinese astronaut ___in space.walk的适当形式to walk 为什么

It is well-known it is well known that it is well known to us that是什么意思 It is well-known to sb 还是It is well-known to for sb?为某人所熟知的,应该用哪个戒指? it known to all还是it is known to all __is well known to all,the earth is round填as or it or that 翻译句子：It is safe to choose only well-known pieces when giving a performance. 首字母填空 It is well known that social c________ are quite different from country to country. 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's well known 是as is known to...还是as iT known to... It is such a good place__________everybody wants to visit ____it is well-known.a.which;thatb.that;as It is well known that water is indispensable to lifethat引导的是定语从句还是主语从句理由 It is well-known that a dove symbolizes peace.无 用It is well-known that…造句 英语翻译It is well known that ( ) 括号内填什么? It is also well known as an international city.