Each of them is a soldier,aren't they?反义疑问句这样对吗?还是应该Each of them is a soldier,isn't he?

Each of them is a student 改为同义句 each of them is a student.用each作同位语 each of them is a student.用each作同位语 Each of them are还是is clever. Each of them is a soldier,aren't they?反义疑问句这样对吗?还是应该Each of them is a soldier,isn't he? SO IT IS DIFFICULT TO TELL THEM FROM EACH OTHER. I like my uniforms.There is a sign in each of them. So tell them your thoughts .In this way,you would have a better understanding of each other.英语翻译,快 ——of them has a dictionary so ____ one can look up words in the dictionary是都填each么 each of them ,each students,each student 后分别如何接is,are Each of them is five dollars 请问Each of them后面问什么用 is而不是are ____ of them ____ helpful____ of them ____ helpfulA Every are B Each areC Everyone is D Each is There are lots of English books here,and ______ of them is easy to understand A all B each 它们每一个多少钱?用英语怎么说How much is each of them?还是How much are each of them?还是? How is each of them produced?有没有语法错误?能不能说成Hodoes each of them be produced? So they say a cup of coffee is necessary for them in the morning. I think playing computer games is a w______ of time,so I never play them. Each girl sitting over there is my student这里的each可以直接与girl搭用,为什么此句的them就不能直接用each连用,而要加of?Some boys came up to me.____ wore a green coat.(此题选C)A.Each them B.Every C.Each D.Every of them