it's sweet改为复数形式

it's sweet改为复数形式 It's my backpack.改为复数形式 It's my pencils.改为复数形式 英语复数It's a potato改为复数形式 It,s a new toy bus.改为复数形式. It's his tape player改为复数形式 it's a naw book改为复数形式 It is Mike 's book改为复数形式 It's a large room.(改为复数形式） it's a new book 改为否定的复数形式 it's a purple flower(改为复数形式） It's a dictionary on the bookcase.改为复数形式 sweet的复数形式 sweet 的复数形式 It's a calculator改为复数形式It's a pen.It's my key.That's a clock.It's her book都改成复数形式 it's green复数形式 it's的复数形式 Theg're on the sofa.改为否定句 It's under the tablr.改为复数形式