it is的复数是they are

it is的复数是they are it is+adj+of结构 后面名词是复数 前面是 it is 还是 they are 伦敦开幕式是单数还是复数,就是说用It is还是用They are are的复数是什么,是they吗? 变单数或复数It is English bus.They are cute babies.The women are g they are 后面能加some It is a book.复数可以变they are some books Is的复数形式是are吗? what are they?They are stationery是对的吗?还是What's this?It is st it is的复数 If someone is diplomatic it means they are?他的语法是怎么样的 It's an english book.复数形式为什么是They are English books 复数是is还是are?