It’s known by everyone that______ horse is______ useful animal.马前面用不用加冠词?

it's well known It’s known by everyone that______ horse is______ useful animal.马前面用不用加冠词? matlab中的function name is known to matlab by it's file name 是什么错误啊? 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? 请问It's said that by us从句是被动语态,怎么It's known to us that从句却不是?请问It's said that by us从句是被动语态,这里用的是BY US,而It's known to us that...这句用TO US ,也可以是被动语态?好象不是被动语 it 's well known that 还是it 's well-known that 你好!It's known to us that从句,也是被动语态吗?如是,怎么这里用TO US,不用BY US? It's known to us all that some of the signs are represent creatures.在空格处选择A for B by C with D of最好有理由 英语翻译The requirements of this Agreement shall not apply to information that Recipient can show by competent evidence:(a) was lawfully in Recipient’s possession or known by Recipient prior to receiving it from B; (b) was developed by Recipien be known by sth. if you want to known that you can do it by yourself it is well known that lung cancer is caused at least in part by smoking too make known by telling the person's name to other这个短句等于什么单词, it will also make china's high-speed railway technology known to the world翻译,为什么用known 英语翻译It's pretty well known by now that the Internet,for all its world-flattening glory,is a destroyer of businesses without parallel.不要机翻………… It is well-known It’s known to all that.把it换成what,that后面为什么要加上is. 英语翻译It's said by Mark Twain.