these or those 单数句

these or those 单数句 同义句转换：These are my books.改为单数句：Those are red appies. 把these are my friends变为一般疑问句 把Are those eraser变为单数句 改为单数句These are apples Those aren it any oranges 单数句变复数句,复数句变单数句1He is his friend.2Those are boxes.3 These are desks. 将下列句子改成单数形式 Are there any oranges on the table?These are old houses?Are these elephantes or bees?Those are pictures of animals. Those are (our scarfs) 改否定句 一般疑问句 肯定回答 括号提问 These jackets are nice 改单数 1.These are my friends.2.Those aren is jackets 3.Are they rulers?4.The keys are yellow.5.Are those your pencils?都改成单数句 teeth these those their的单数形式怎么写?急 these are apples and those are pineapples(改为单数 those are boys.改为单数句 改为单数句:Those are orange oranges. those are my brothers.改为单数句 Those are my friends 改为单数句 Are those your friends?(改为单数句) those are orange towels改为单数句 Those brushes are theirs.(改单数句) Are those oranges?单数句怎样改