把句子改为复数形式 This is a boy What is this in English Is that an English bookit is an eggshe is a teacher

This is a bus.改为复数形式的句子 把This is a yellow coat改为复数形式 把下列句子变成复数形式.This is a watch. this is a pear tree.改为复数把这句话改为复数形式 this is a book改为复数形式 This is a dress.改为复数形式 This is a cat.(改为复数形式) This is a box.改为复数形式 This is a pen.(改为复数形式) 把句子改为复数形式 This is a boy What is this in English Is that an English bookit is an eggshe is a teacher 把下列句子改为复数形式He's my friend.This is my parent.That is his sister.Is this a photo?Is he your brother? this is a hotei 改为复数句子 this is a woman.(改为复数句子) this is a hotel 改为复数句子 this woman doctor is very smart.把句子改为复数形式 Is this your dictionary?改为复数句子形式急用!11 This is my dictionary(改为复数形式的句子） 将以下句子改为复数形式1.This is a black and grey shirt.