例子：It's my book.转换为The book is mine.请把这几句转为相同形式.1.These are

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例子：It's my book.转换为The book is mine.请把这几句转为相同形式.1.These are thier photos.
2.Is　this　your　dictionary?3．Are　those　her　keys?4．Is　it　your　schoolbag?
在帮回答些，Where's my pen?Ican＇t　find（　　）．Hey，here＇s　apen！Is　this　pen（　　）？No，it　isn＇t（　）．（　）pen　ishere．YOU　CAN　ASK　MARY．SHE　LOST（　）THIS　MORING．MARY，IS　THIS（　）PEN？NO，（　）IS　WHITE．JIM　LOST（　）PEN，TOO．YOU　CAN　ASK＿

1.These photos are theirs.
2.Is this dictionary yours
3.Are those keys hers
4.Is the schoolbag yours
不明白的再问哟,请及时采纳,多谢!
再问：在帮回答些，谢谢。Where's my pen?Ican＇t　find（　　）．Hey，here＇s　apen！Is　this　pen（　　）？No，it　isn＇t（　）．（　）pen　ishere．YOU　CAN　ASK　MARY．SHE　LOST（　）THIS　MORING．MARY，IS　THIS（　）PEN？NO，（　）IS　WHITE．JIM　LOST（　）PEN，TOO．YOU　CAN　ASK＿
再答： Where's my pen?Ican＇t　find（　it　）．Hey，here＇s　apen！Is　this　pen（　yours　）？No，it　isn＇t（ mine　）．（ My　）pen　ishere．YOU　CAN　ASK　MARY．SHE　LOST（　hers）THIS　MORING．MARY，IS　THIS（ your　）PEN？NO，（　mine ）IS　WHITE．JIM　LOST（his ）PEN，TOO．YOU　CAN　ASK【him.】

例子：It's my book.转换为The book is mine.请把这几句转为相同形式.1.These are 根据示范改写句子例：It's my book——The book is mine A:Whose book is it?B:It's() 1.my 2.mine 3.me 1.these are _____book (my,mine) 2.these book are ____(your,y The book's are not mine They are ()(they)用括号里的正确形式填空 1.This book is mine.2.That eraser is yours.3.These boxes are 把It is a English book转换为一般疑问句句型转换 The book （on the shelf ）is mine .（ Whose book is this It's ___ .(要填 my .mine.还是 me) 请完成这些句型转换This is my book.(改为负数形式）There is a nice cat in the 英语语法疑惑The book on the shelf is not mine.It's somebody elses' 用be(is,am,are)的适当的形式填空.1.This( )my mother.2.These( )our book