Are these her pencil boxes?(改为同义句) Are_______pencli boxes___

Are these her pencil boxes?(改为同义句) Are_______pencli boxes___ These are her books.改为同义句, These are boxes. (改为单数句） these are her books.（改为同义句） 句型转换 Are these your pencil-boxes?(改为单数形式） ___ ___ your___? -What are those?-They are pencil-boxes.(改为单数句） I have two pencil boxes on the desk.（改为同义句） THese are orange pencil cases (改为单数句） these are orange pencil cases 改为单数句 These,are,her,brothers.(改为否定句)() These are her friends.改为否定句 句型转换。（8分）小题1:These are some orange pencil boxes. (改为单数) ____