is it I 的复数

is it I 的复数 写出复数 it ( ) I ( ) is ( ) it is的复数 it is的复数 Yes,it is 的复数形式 is it apencil的复数形式 Is it a bus?的复数句 英文It is nice.的复数形式 what color is it?的复数形式 it is的复数 速求 How much is it的复数是什么 Whai color is it?的复数是什么 It is nice的复数是什么 this,is,it,that,my,的复数. it is anold backpack的复数形式 i think it is fun还是funny?people in different country还是country的复数,还是别的? This is your case.变复数……This is your case.It is a green dress.My blouse is new.I'm a teacher.This is a black and grey shirt.变复数要正确的急+++分 英语句的复数形式What is this?It is a desk.改为复数形式