同意转换.1.this is her book.this book is( ).2.that is my pencil.
同意转换.1.this is her book.this book is( ).2.that is my pencil.3.is this your eraser?4.they are
同意转换.1.this is her book.this book is( ).
2.that is my pencil.
3.is this your eraser?
4.they are his books.
5.are these your erasers?