改为复数形式 Is that an English book?What"s this in English?It is an egg.She is a teacher.

That is an ID card.改为复数形式 that is an orage bus 改为复数形式 This is an arm.改为复数形式 That is my sister改为复数形式 What is that?改为复数形式. is that his key (改为复数形式) that is his sister改为复数形式 Is that a book改为复数形式 that is my dress.改为复数形式 Whose book is that?改为复数形式 That book is his?改为复数形式 Is that a basketball?改为复数形式 is that an elephant?改为复数句.. that is an orange.改为复数句 That is an egg 改为复数句 That's an English book.(改为复数形式) That's an egg in the box改为复数形式 It is an English car.(改为复数形式)