unknow、bad、rich、worst、takes的反义词

鍌字粤语怎么读?
我查到不是念冼xian2[xin2],而是音标[unknow3],这个怎么读啊?难道念广州话接近"牛"的发音?拼音还真的难表达啊!

the owner of the book r____unknow.
Don't t_____ stones at the dogs
Are you interested in the history of a____ times?
He left his hometown two years ago.改同义句
It has ____two years ____he left his hometown
I heard him read English aloud in the garden改被动语态
He ___ ____ ____ read English aloud in the garden.
she was given a new bool by her father 改主动句
her father _____ ____ _____ ____ _____.
Ann ,noticed,go,now,teacher's,the to,office,just,into,was 连词成句

Somethings we have know,but are willing to be unknow. 请问下这里的somethings 用法正确吗?
有没有somethings这样的用法,如果不对,应该改为什么,改为something 对吗?谢谢大家了
我主要是想知道something 后面能不能加s,有没有这样的用法？
如果没有，用some things 这样 可以吗^-^

There are know,there are know unknowandThere are unknow unknow

写出下列单词的反义词 happy( ) unknow( ) last( ) bad( ) rich( ) worst( ) takes( )
happy的反义词中第一个字母是s;（有三个字母）
unknow的反义词中第三个字母是m;（有六个字母）
bad的反义词中第四个字母是d;（有四个字母）
last的反义词中第三个字母是r;（有五个字母）
rich的反义词中第二个字母是o;（有四个字母）
worst的反义词中第四个字母是t;（有四个字母）
takes的反义词中第三个字母是v.(有五个字母)

补充字母
unknow()()m()()()
last()()r()()
bad()()()d
rich()o()()
worst()()()t
takes()()v()()
ca()可填多个词ot
dy（）可填多个词sty
fan（）可填多个词stice
mus（）可填多个词m
连词成句
year,were,you,born,which
want,good,they,there,for,musicians,rock,their,band,do,

A man unknow by name gives his heart to Tom in order to make him to live on.这句话哪里有错

3dmax中unknow class,no stand-in:super id=oxb60.class id=(ox4aoc66e1.ox153165)
打不开3dmax文件,弹出这样字样
unknow class,no stand-in:super id=oxb60.class id=(ox4aoc66e1.ox153165）

英语翻译
Like the sun because it’s warm,warm heart went to unknown pain.There’s nothing more beautiful than a smile that struggles through tears.

unknow和takes的反义词
unknow的反义词是--m---
takes的反义词是--v--
一个横线是一个字母