this is my book.写出下列句子的复数形式 还有Is that his uncle Is she your friend?yes,it is.this is my pencil case.

写出下列句子的复数形式this is my book.is that your sister?that is my baseball.is this your friend?what's this in english? this is my book.写出下列句子的复数形式 还有Is that his uncle Is she your friend?yes,it is.this is my pencil case. 写出下列句子的复数形式 ：This is a book That is my parent Yes it is Is that your pencil? 写出下列句子的同义句,每空一词 1.This is my book the book is----写出下列句子的同义句,每空一词1.This is my bookthe book is----2.those are our applesthose apples are-----3.it is his bikethe bike is-----4.these are their penst This is my book.This book is mine造句 this is my book. this book is mine 区别是什么? This is my book.对my提问 this is my English book对my English book提问 写出下列单词的复数形式：this,is,brother,parent,sisier,friend,book,key This is my book 变为一般疑问句 同义句转换This is my book. 改错题：This is a my book. This is my book用whose提问 this is my book=什么? this is my book.改为一般疑问句. This is my book改为同义句 My book this English is连词造句 L ------ ,this is my English book.填空