Each of them is dancing in the hall now.中is 为什么用is

Each of them are还是is clever. each of them ,each students,each student 后分别如何接is,are Each of them is a student 改为同义句 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 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? 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 is dancing in the hall now.中is 为什么用is 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 are/is here.(代词)他们每个人都在这儿.是is还是are each of the dictionaries is very useful.you can take any of them.句子中的is 可不可以换成 is of?即：each of the dictionaries is of very useful.you can take any of them. each of them 和each of these的区别? 它们每个多少钱 是How much is each of them 还是How much are each of themA:_____________B:They are 40yuan each. The following shapes stand for some numbers.Can you tell what number each of them is? Each of them is polite to us.同义句They__ __ __ __to us. I like my uniforms.There is a sign in each of them.