Most of them are just like the clouds in our skies,come and go.这句话有没有语法错误,有的话怎么改

Most of them are sweet. Most of them are of my Most of them are 咋做?Most of them are后面填啥? Most of them are students 同义句 （ ）of them () a student不是Most是Both 求翻译：Most of them are my age. them.are.of.south africa.most .from 连词成句 Many of the cars are new Bate 400s and most of them are yellow most of them--------young people There are different forms of energy,_____come from sun.A.that B.most of that C.most of them D.most of which Most of them are kind,but __none__ is so good to me as Bruce什么意识 Most of them are going off to Guangzhou next week 中的 off 是怎么回事 Most people agree with me,but some of them are a( ) my plan.根据首字母填空 underground trains are the second cheapest of them and the most c____ their owncars are very popular in america when kids are fourteen most of them dream of having their Norman has a big cupboard.It`s full of toys.Some are new,but most of them are old .He likes all of them.要详细的翻译 Some of them are the growing speed of a plant is influenced by a number of factors,______ are beyond our control.A most of them B most of which C most of what D most of that the growing speed of a plant is influenced by a number of factors,______ are beyond our control.A most of them B most of which C most of what D most of that