Most of them are students 同义句 （ ）of them () a student

Most of them are students 同义句 （ ）of them () a student Each of them is a student 改为同义句 Both of them are students.(否定句） Both of them are forty.(同义句) both of them are right 同义句 Most of them are sweet. Both of them a student Both of them are student.否定句 them isn't student. Most of them are of my them.are.of.south africa.most .from 连词成句 Both of them a student 改为否定句 Most of them are 咋做?