It's a large room.(改为复数形式）

It's a large room.(改为复数形式） It's a nice room .将下列句子改为复数形式. it's a purple flower(改为复数形式） 英语复数It's a potato改为复数形式 It is a large box.(改为复数句） It,s a new toy bus.改为复数形式. it's a new book 改为否定的复数形式 it's a naw book改为复数形式 It's a new box.（改为复数形式） There is “only one”book o 句型转换1.It's a new box.（改为复数形式）_________ __________ new ______ it's sweet改为复数形式 It's my pencils.改为复数形式